:root {
    --primary: #0f6b6d;
    --primary-dark: #0b525d;
    --primary-soft: rgba(15, 107, 109, 0.08);
    --secondary: #b45309;
    --secondary-dark: #92400e;
    --secondary-soft: rgba(180, 83, 9, 0.08);
    --accent: #0f172a;
    --bg-light: #f8fafc;
    --bg-alt: #ffffff;
    --bg-card: #ffffff;
    --bg-ink: #0b1220;
    --border-light: #e2e8f0;
    --border-strong: #cbd5e1;
    --glass-border: rgba(15, 23, 42, 0.08);
    --text-main: #0f172a;
    --text-dim: #475569;
    --text-muted: #64748b;
    --text-white: #ffffff;
    --shadow-sm: 0 3px 10px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 22px 46px rgba(15, 23, 42, 0.16);
    --shadow-premium: 0 18px 40px rgba(15, 23, 42, 0.12);
    --box-bg: rgba(255, 255, 255, 0.72);
    --box-border: rgba(15, 23, 42, 0.08);
    --box-shadow: 0 40px 90px rgba(0, 0, 0, 0.1);
    --box-radius: 6px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --transition-smooth: all 0.35s ease;
    --tracking-wide: 0.08em;
    --tracking-wider: 0.12em;
    --font-sans: 'Manrope', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-serif: 'Source Serif 4', 'Times New Roman', serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 5% 0%, rgba(15, 107, 109, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 95% 15%, rgba(180, 83, 9, 0.06) 0%, transparent 40%);
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.15;
    z-index: -3;
    pointer-events: none;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    letter-spacing: -0.02em;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Utility helpers */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.transition-all { transition: var(--transition-smooth); }
.duration-400 { transition-duration: 0.4s; }
.text-center { text-align: center; }
.text-sm { font-size: 0.85rem; }
.text-base { font-size: 0.95rem; }
.text-lg { font-size: 1.05rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-20 { margin-bottom: 5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-12 { margin-top: 3rem; }
.max-w-xl { max-width: 36rem; }
.px-4 { --btn-pad-x: 1rem; padding-left: 1rem; padding-right: 1rem; }
.px-6 { --btn-pad-x: 1.5rem; padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { --btn-pad-x: 2rem; padding-left: 2rem; padding-right: 2rem; }
.py-2 { --btn-pad-y: 0.5rem; padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { --btn-pad-y: 0.75rem; padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { --btn-pad-y: 1rem; padding-top: 1rem; padding-bottom: 1rem; }

.fade-in {
    opacity: 0;
    transform: translateY(18px);
    animation: fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Header */
.top-bar {
    background: var(--bg-ink);
    color: rgba(255, 255, 255, 0.7);
    padding: 10px 0;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-info {
    display: flex;
    gap: 24px;
}

.top-bar-info span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-link {
    color: inherit;
    text-decoration: none;
}

.topbar-link:hover {
    color: var(--primary);
}

.top-bar-info i {
    color: var(--secondary);
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border-light);
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
    border-bottom-left-radius: 28px;
    border-bottom-right-radius: 28px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

header.scrolled {
    box-shadow: 0 12px 36px rgba(15, 23, 42, 0.12);
}

nav {
    width: 100%;
    padding: 18px 0;
    transition: var(--transition-smooth);
}

header.scrolled nav {
    padding: 12px 0;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.logo img {
    height: 58px;
    transition: var(--transition-smooth);
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    transition: color 0.25s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

.header-cta {
    display: flex;
    align-items: center;
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-nav-toggle span {
    width: 26px;
    height: 2px;
    background: var(--text-main);
    border-radius: 999px;
    transition: var(--transition-smooth);
}

.mobile-nav {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    display: flex;
    justify-content: flex-end;
    transition: opacity 0.3s ease;
    z-index: 1200;
}

.mobile-nav-panel {
    width: min(380px, 86vw);
    height: 100%;
    background: #ffffff;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -20px 0 40px rgba(15, 23, 42, 0.12);
}

.mobile-nav.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav.open .mobile-nav-panel {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.mobile-nav-header img {
    height: 42px;
}

.mobile-nav-close {
    border: none;
    background: var(--text-main);
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.mobile-nav-link {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 1rem;
}

.mobile-nav-link:hover {
    color: var(--primary);
}

.mobile-nav-cta {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-nav-phone {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 600;
}

body.nav-open {
    overflow: hidden;
}

.whatsapp-fab {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25d366;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 18px 32px rgba(37, 211, 102, 0.35);
    z-index: 1100;
    text-decoration: none;
    font-size: 1.6rem;
    transition: var(--transition-smooth);
}

.whatsapp-fab:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 36px rgba(37, 211, 102, 0.45);
}

/* Buttons */
.btn {
    --btn-pad-x: 26px;
    --btn-pad-y: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--btn-pad-y) var(--btn-pad-x);
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    font-size: 0.95rem;
    border: 1px solid transparent;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 12px 24px rgba(15, 107, 109, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 32px rgba(15, 107, 109, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-strong);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-glass {
    background: rgba(15, 23, 42, 0.05);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
}

.btn-glass:hover {
    background: rgba(15, 23, 42, 0.1);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 120px 0;
    position: relative;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-main);
}

.section-desc {
    color: var(--text-dim);
    max-width: 720px;
    margin: 0 auto 50px;
    font-size: 1.15rem;
    font-weight: 400;
}

.tag {
    display: inline-block;
    color: var(--secondary);
    font-weight: 700;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 14px;
}

/* Page Hero */
.page-hero {
    padding-top: 180px;
    padding-bottom: 120px;
    background: var(--bg-ink);
    position: relative;
    overflow: hidden;
    color: #ffffff;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 10% 10%, rgba(59, 130, 246, 0.18), transparent 40%),
        linear-gradient(120deg, rgba(2, 6, 23, 0.92), rgba(2, 6, 23, 0.6));
    z-index: 0;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero .tag {
    color: #9bd1ff;
    border: 1px solid rgba(59, 130, 246, 0.3);
    background: rgba(15, 23, 42, 0.6);
    padding: 6px 14px;
    border-radius: 999px;
}

.page-hero h1 {
    color: #ffffff;
    font-size: 3rem;
    line-height: 1.1;
    margin: 18px 0 20px;
}

.page-hero p {
    color: rgba(226, 232, 240, 0.7);
    font-size: 1.1rem;
    max-width: 720px;
    line-height: 1.7;
}

/* About Page */
.about-hero {
    padding-bottom: 140px;
}

.about-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.about-hero-badges span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(148, 163, 184, 0.2);
    color: #cbd5f5;
    font-size: 0.85rem;
}

.about-split {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: start;
}

.about-text {
    color: var(--text-dim);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-card {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: var(--box-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
}

.about-card h3 {
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-dim);
    margin-bottom: 16px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-cta {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    padding: 50px;
    border-radius: var(--box-radius);
    border: 1px solid var(--box-border);
    background: var(--box-bg);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
}

.about-cta-action {
    display: flex;
    justify-content: flex-end;
}

.about-location {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.about-location-info h2 {
    margin: 10px 0 14px;
}

.map-embed {
    width: 100%;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    background: #e2e8f0;
    min-height: 280px;
}

.map-embed iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.map-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
}

.map-link:hover {
    color: var(--primary-dark);
}

.osb-map {
    width: 100%;
    height: 520px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    background: #e2e8f0;
}

.map-legend {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 18px;
    color: var(--text-dim);
    font-size: 0.95rem;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 6px rgba(15, 107, 109, 0.15);
}

@media (max-width: 992px) {
    .about-split { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .about-cta { grid-template-columns: 1fr; }
    .about-cta-action { justify-content: flex-start; }
    .about-location { grid-template-columns: 1fr; }
}

/* Stations Detail */
.station-detail {
    background: #ffffff;
}

.station-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.station-card {
    border: 1px solid var(--box-border);
    border-radius: var(--box-radius);
    padding: 28px;
    background: var(--box-bg);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: relative;
}

.station-card-header h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.station-card-header p {
    color: var(--text-dim);
    font-size: 0.98rem;
    line-height: 1.7;
}

.station-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
}

.station-badge.alt {
    background: var(--secondary-soft);
    color: var(--secondary);
}

.station-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 16px 0;
}

.station-spec span {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.station-spec strong {
    font-size: 0.95rem;
    color: var(--text-main);
}

.station-meta {
    display: grid;
    gap: 14px;
}

.station-meta-block h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.station-meta-block p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.6;
}

.station-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 14px;
    color: var(--text-dim);
    font-size: 0.95rem;
}

.station-points i {
    color: var(--primary);
    margin-right: 8px;
}

.station-cta {
    margin-top: 40px;
    padding: 28px 32px;
    border-radius: var(--box-radius);
    border: 1px solid var(--box-border);
    background: var(--box-bg);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: relative;
}

.station-cta h3 {
    margin-bottom: 6px;
}

.station-cta p {
    color: var(--text-dim);
    margin-bottom: 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    border-radius: var(--box-radius);
    overflow: hidden;
    border: 1px solid var(--box-border);
    box-shadow: var(--box-shadow);
    background: var(--box-bg);
}

.gallery-item img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}

/* Quote Form */
.quote-section {
    background: var(--bg-alt);
}

.quote-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

.quote-cta-action {
    flex-shrink: 0;
}

.quote-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start;
}

.quote-card {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: var(--box-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
}

.quote-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 18px 0 26px;
}

.quote-highlights span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(148, 163, 184, 0.35);
    color: var(--text-main);
    font-size: 0.85rem;
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.quote-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.quote-aside {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.quote-aside-card {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: var(--box-radius);
    padding: 28px;
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
}

.quote-aside-card h3 {
    margin-bottom: 14px;
}

.quote-aside-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    color: var(--text-dim);
}

.quote-aside-card li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quote-aside-card i {
    color: var(--primary);
}

.quote-aside-card.dark {
    background: rgba(10, 12, 14, 0.75);
    color: #ffffff;
    border-color: rgba(212, 175, 55, 0.2);
}

.quote-aside-card.dark p {
    color: rgba(226, 232, 240, 0.7);
}

.quote-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 16px 0;
    color: rgba(226, 232, 240, 0.8);
}

.quote-contact i {
    color: #9bd1ff;
    margin-right: 8px;
}

@media (max-width: 992px) {
    .station-detail-grid { grid-template-columns: 1fr; }
    .station-specs { grid-template-columns: 1fr; }
    .station-cta { flex-direction: column; align-items: flex-start; }
    .gallery-grid { grid-template-columns: 1fr; }
    .quote-grid { grid-template-columns: 1fr; }
    .quote-row { grid-template-columns: 1fr; }
    .quote-cta { flex-direction: column; align-items: flex-start; }
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--border-light);
    padding: 14px 16px;
    border-radius: 12px;
    color: var(--text-main);
    font-size: 0.98rem;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dim);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 600;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.contact-card {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: var(--box-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
}

.project-card::before,
.about-card::before,
.about-cta::before,
.station-card::before,
.station-cta::before,
.quote-card::before,
.quote-aside-card:not(.dark)::before,
.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 46px;
    height: 46px;
    border-top: 2px solid var(--primary);
    border-left: 2px solid var(--primary);
    opacity: 0.65;
}

/* Hero Video */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 120px;
    overflow: hidden;
    color: #ffffff;
    background: #05070f;
}

.hero.has-image {
    background-image: var(--hero-image);
    background-size: cover;
    background-position: center;
}

.hero-video-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(5, 7, 15, 0.92) 20%, rgba(5, 7, 15, 0.7) 55%, rgba(5, 7, 15, 0.5) 100%);
    z-index: 1;
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: center;
}

.hero-panel {
    padding: 24px 0;
    max-width: 600px;
}

.hero-panel .tag {
    color: #9bd1ff;
    border-color: rgba(59, 130, 246, 0.2);
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    background: rgba(15, 23, 42, 0.7);
    display: inline-flex;
}

.hero-panel h1 {
    font-size: 3.2rem;
    line-height: 1.05;
    margin-bottom: 18px;
    font-weight: 600;
    color: #f8fafc;
}

.hero-panel p {
    font-size: 1.1rem;
    color: rgba(226, 232, 240, 0.75);
    margin-bottom: 26px;
    line-height: 1.8;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 26px;
}

.hero-badges span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.2);
    color: #cbd5f5;
    font-size: 0.85rem;
}

.hero-link {
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.hero-link:hover {
    color: #9bd1ff;
}

.hero-card {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 20px;
    padding: 32px;
    backdrop-filter: blur(10px);
}

.hero-card h3 {
    font-size: 1.4rem;
    color: #f8fafc;
    margin-bottom: 12px;
}

.hero-card p {
    color: rgba(226, 232, 240, 0.7);
    font-size: 0.98rem;
    line-height: 1.7;
    margin-bottom: 22px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 22px;
}

.hero-stats strong {
    display: block;
    font-size: 1.2rem;
    color: #ffffff;
}

.hero-stats span {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.6);
}

.hero-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #9bd1ff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

.hero-card-link:hover {
    color: #ffffff;
}

@media (max-width: 992px) {
    .hero {
        padding-top: 150px;
        padding-bottom: 90px;
    }
    .hero-inner {
        grid-template-columns: 1fr;
    }
    .hero-panel h1 {
        font-size: 2.5rem;
    }
    .hero-stats {
        grid-template-columns: 1fr 1fr;
    }
}

/* Supreme Aesthetic Utilities */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

.text-tracking-tight { letter-spacing: -0.025em; }
.text-tracking-wide { letter-spacing: 0.05em; }

.glass-dark {
    background: rgba(2, 6, 23, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--primary), var(--secondary), transparent);
    transform: translateX(-50%);
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: var(--bg-ink);
    border: 4px solid var(--primary);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 20px var(--primary);
}

/* Engineering Spec Utilities */
.text-muted { color: #64748b; }
.border-strong { border-color: rgba(15, 23, 42, 0.1) !important; }
.bg-ink { background: #020617; }
.bg-soft { background: #f8fafc; }

.section-desc {
    max-width: 700px;
    margin: 30px auto 60px;
    font-size: 1.2rem;
    color: var(--text-dim);
    line-height: 1.8;
}

.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

.justify-between { justify-content: space-between; }
.items-end { align-items: flex-end; }
.mb-20 { margin-bottom: 5rem; }
.mb-15 { margin-bottom: 3.75rem; }
.mt-20 { margin-top: 5rem; }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

/* Feature Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 50px;
}

.card {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    padding: 40px;
    border-radius: var(--box-radius);
    transition: var(--transition-smooth);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 46px;
    height: 46px;
    border-top: 2px solid var(--primary);
    border-left: 2px solid var(--primary);
    opacity: 0.7;
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(15, 107, 109, 0.25);
    box-shadow: 0 50px 110px rgba(0, 0, 0, 0.12);
}

.card h3 {
    margin-bottom: 16px;
    font-size: 1.45rem;
    color: var(--text-main);
    font-weight: 600;
}

.card p {
    color: var(--text-dim);
    font-size: 1.02rem;
}

/* Stats */
.stats-container {
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
    padding: 70px 0;
    margin-top: 50px;
    border-radius: var(--radius-lg);
    box-shadow: none;
}

.stat-item h3 {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-item p {
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.stats-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.stats-info {
    max-width: 520px;
}

.stats-info .tag {
    color: var(--secondary);
    font-weight: 700;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: block;
}

.about-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.95rem;
}

.about-list i {
    color: var(--primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat-box {
    background: #ffffff;
    border: 1px solid var(--border-light);
    padding: 32px;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
}

.stat-box:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-sm);
}

.stat-box h3 {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-box p {
    font-size: 0.85rem;
    color: var(--text-dim);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

/* Process Section */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    padding: 60px;
    border-radius: var(--radius-lg);
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

/* Process */
.process-section {
    background: var(--bg-alt);
    position: relative;
    overflow: hidden;
}

.process-shell {
    display: grid;
    grid-template-columns: 1.05fr 1.4fr;
    gap: 28px;
}

.process-intro-card,
.process-step-card,
.process-highlight {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: var(--box-radius);
    padding: 32px;
    box-shadow: var(--box-shadow);
    position: relative;
}

.process-intro-card::before,
.process-step-card::before,
.process-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 46px;
    height: 46px;
    border-top: 2px solid var(--primary);
    border-left: 2px solid var(--primary);
    opacity: 0.7;
}

.process-intro-card p {
    color: var(--text-dim);
    font-size: 1.02rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.process-step-card h4 {
    color: var(--secondary);
    font-weight: 700;
    font-size: 0.82rem;
    margin-bottom: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.process-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(15, 107, 109, 0.12);
    border: 1px solid rgba(15, 107, 109, 0.2);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 14px;
}

.process-step-card p {
    color: var(--text-dim);
    line-height: 1.7;
}

.process-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.process-metrics div {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(15, 107, 109, 0.08);
    border: 1px solid rgba(15, 107, 109, 0.18);
}

.process-metrics strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-main);
}

.process-metrics span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--text-dim);
}

.step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 18px;
    box-shadow: 0 12px 24px rgba(15, 107, 109, 0.35);
}

.process-extras {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.process-highlight {
    padding: 30px 32px;
}

.process-highlight::before {
    border-top-color: var(--secondary);
    border-left-color: var(--secondary);
}

.process-highlight h3 {
    margin: 12px 0 12px;
    font-size: 1.2rem;
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.process-highlight p {
    color: var(--text-dim);
    line-height: 1.7;
}

/* Engineering Cards */
.engineering-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.eng-card {
    background: #ffffff;
    border-left: 4px solid var(--primary);
    border: 1px solid var(--border-light);
    padding: 40px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.eng-card:nth-child(even) {
    border-left-color: var(--secondary);
}

.eng-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--bg-light);
    z-index: 0;
    transition: var(--transition-smooth);
}

.eng-card:hover::before {
    width: 100%;
}

.eng-card-content {
    position: relative;
    z-index: 1;
}

.eng-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 16px;
}

.eng-card p {
    color: var(--text-dim);
    line-height: 1.6;
    font-size: 1rem;
}

.eng-card-icon {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 22px;
    opacity: 0.85;
}

.eng-card:nth-child(even) .eng-card-icon {
    color: var(--secondary);
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
    width: 100%;
}

.project-card {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: var(--box-radius);
    padding: 36px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    text-align: left;
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(15, 107, 109, 0.3);
    box-shadow: 0 50px 110px rgba(0, 0, 0, 0.12);
}

.project-cover {
    width: 100%;
    height: 180px;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 18px;
    border: 1px solid var(--box-border);
    background: rgba(255, 255, 255, 0.6);
}

.project-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-card h4 {
    font-size: 1.4rem;
    color: var(--text-main);
    margin-bottom: 12px;
    font-weight: 600;
}

.project-type {
    display: inline-block;
    padding: 6px 14px;
    background: var(--secondary-soft);
    color: var(--secondary);
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.project-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.project-status {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.project-status.ongoing {
    background: rgba(15, 107, 109, 0.12);
    color: var(--primary);
    border: 1px solid rgba(15, 107, 109, 0.2);
}

.project-status.completed {
    background: rgba(212, 175, 55, 0.15);
    color: #8a6b12;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.project-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-meta i {
    color: var(--primary);
}

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.blog-card {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: var(--box-radius);
    padding: 24px;
    box-shadow: var(--box-shadow);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(15, 107, 109, 0.25);
    box-shadow: 0 40px 90px rgba(0, 0, 0, 0.12);
}

.blog-cover {
    width: 100%;
    height: 180px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--box-border);
}

.blog-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-dim);
}

.blog-tag {
    color: var(--secondary);
    font-weight: 700;
}

.blog-card h3 {
    font-size: 1.3rem;
    color: var(--text-main);
    margin: 0;
}

.blog-card p {
    color: var(--text-dim);
    line-height: 1.7;
}

.blog-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    margin-top: auto;
}

.blog-link:hover {
    color: var(--primary-dark);
}

.blog-detail {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: var(--box-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
}

.blog-detail-cover {
    width: 100%;
    height: 320px;
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid var(--box-border);
    margin-bottom: 24px;
}

.blog-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-detail-meta {
    display: flex;
    gap: 18px;
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.blog-detail-meta i {
    color: var(--secondary);
}

.blog-detail-content {
    color: var(--text-main);
    line-height: 1.8;
    font-size: 1.05rem;
}

.blog-detail-content h2,
.blog-detail-content h3 {
    margin-top: 26px;
    margin-bottom: 12px;
}

.blog-detail-content ul {
    padding-left: 18px;
    margin: 12px 0;
}

/* References Logo Wall */
.references-wall {
    background: radial-gradient(circle at 20% 20%, rgba(15, 107, 109, 0.24), transparent 45%),
        radial-gradient(circle at 80% 30%, rgba(212, 175, 55, 0.22), transparent 48%),
        #05070f;
    color: #ffffff;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 18px;
    padding: 10px 0 0;
}

.logo-card {
    width: 100%;
    min-height: 130px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    padding: 14px 10px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02), 0 12px 30px rgba(0, 0, 0, 0.35);
    margin: 0 auto;
}

.logo-card img {
    width: 68px;
    height: 48px;
    object-fit: contain;
    opacity: 0.95;
}

.logo-caption {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 700;
    text-align: center;
}

.logo-sub {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(212, 175, 55, 0.75);
    text-align: center;
}

.logo-card.placeholder {
    background: rgba(255, 255, 255, 0.02);
    border-style: dashed;
    border-color: rgba(255, 255, 255, 0.12);
}

/* Discovery */
.discovery-banner {
    background: var(--bg-alt);
    margin-top: 80px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    min-height: 320px;
    position: relative;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.discovery-content {
    flex: 1.4;
    padding: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 5;
    background: linear-gradient(90deg, rgba(248, 250, 252, 0.95) 60%, transparent 100%);
}

.discovery-content h2 {
    font-size: 2.4rem;
    color: var(--text-main);
    margin-bottom: 20px;
    font-weight: 700;
}

.discovery-content p {
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 520px;
    font-weight: 400;
}

.discovery-image {
    flex: 1;
    position: absolute;
    right: 0;
    top: 0;
    width: 55%;
    height: 100%;
}

.discovery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
}

.discovery-cta {
    position: absolute;
    right: 50px;
    bottom: 40px;
    z-index: 6;
}

.btn-discovery {
    background: var(--primary);
    color: #fff;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
    text-decoration: none;
}

.btn-discovery:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Partners */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 50px;
    align-items: center;
    justify-items: center;
    opacity: 0.7;
}

.partner-logo {
    max-width: 140px;
    filter: grayscale(100%);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: translateY(-2px) scale(1.02);
}

/* Glass panel */
.glass {
    background: #ffffff;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

/* Footer */
footer {
    background: var(--bg-ink);
    color: #ffffff;
    padding: 90px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 50px;
    margin-bottom: 70px;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-family: var(--font-sans);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul a:hover {
    color: var(--secondary);
}

.footer-contact-item {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-link {
    color: inherit;
    text-decoration: none;
}

.footer-link:hover {
    color: var(--secondary);
}

.footer-contact-item i {
    color: var(--secondary);
    font-size: 1.1rem;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

.footer-credit {
    margin-left: 10px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-credit a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.footer-credit a:hover {
    color: var(--secondary);
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 680px;
    height: 680px;
    background: radial-gradient(circle, var(--primary-soft) 0%, transparent 70%);
    top: -320px;
    right: -320px;
}

.login-card {
    width: 100%;
    max-width: 480px;
    padding: 56px;
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.login-logo img {
    height: 56px;
}

.login-card h2 {
    font-size: 1.7rem;
    color: var(--text-main);
    margin-bottom: 28px;
    font-weight: 700;
    font-family: var(--font-sans);
}

.form-input-group {
    margin-bottom: 22px;
    text-align: left;
}

.form-input-group label {
    display: block;
    color: var(--text-dim);
    font-size: 0.8rem;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.login-input {
    width: 100%;
    background: #fff;
    border: 1px solid var(--border-light);
    padding: 14px 18px;
    color: var(--text-main);
    border-radius: 10px;
    font-size: 0.98rem;
    transition: var(--transition-smooth);
}

.login-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-top: 20px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(15, 107, 109, 0.25);
}

.login-footer {
    margin-top: 30px;
    font-size: 0.9rem;
}

.login-footer a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.3s ease;
}

.login-footer a:hover {
    color: var(--primary);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Responsive */
@media (max-width: 1200px) {
    .section-title { font-size: 2.4rem; }
    .hero-panel h1 { font-size: 2.9rem; }
    .container { padding: 0 24px; }
}

@media (max-width: 992px) {
    .top-bar { display: none; }
    .nav-links { display: none; }
    .header-cta { display: none; }
    .mobile-nav-toggle { display: flex; }
    .logo img { height: 42px; }
    header { border-bottom-left-radius: 22px; border-bottom-right-radius: 22px; }
    .hero-inner { grid-template-columns: 1fr; }
    .page-hero { padding-top: 160px; padding-bottom: 100px; }
    .page-hero h1 { font-size: 2.6rem; }
    .page-hero p { font-size: 1.05rem; }
    .section { padding: 90px 0; }
    .process-grid { padding: 40px; }
    .process-shell { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; }
    .process-extras { grid-template-columns: 1fr; }
    .process-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .blog-detail { padding: 28px; }
    .blog-detail-cover { height: 240px; }
    .stats-split { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .discovery-banner { flex-direction: column; }
    .discovery-content { padding: 50px; background: var(--bg-alt); }
    .discovery-image { position: relative; width: 100%; height: 260px; }
    .discovery-cta { position: relative; right: auto; bottom: auto; padding: 0 50px 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .osb-map { height: 380px; }
    .station-detail-grid { grid-template-columns: 1fr; }
    .station-specs { grid-template-columns: 1fr; }
    .hero-badges { flex-wrap: wrap; }
}

@media (max-width: 768px) {
    nav { padding: 14px 0; }
    .hero { padding-top: 150px; }
    .hero-panel h1 { font-size: 2.3rem; }
    .section-title { font-size: 2rem; }
    .page-hero { padding-top: 150px; padding-bottom: 90px; }
    .page-hero h1 { font-size: 2.2rem; }
    .page-hero p { font-size: 1rem; }
    .stats-container { padding: 50px 0; }
    .projects-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
    .whatsapp-fab { width: 52px; height: 52px; right: 16px; bottom: 16px; }
    .logo-card { min-height: 110px; }
    .logo-card img { width: 56px; height: 40px; }
    .process-metrics { grid-template-columns: 1fr; }
    .blog-cover { height: 160px; }
    .blog-detail-cover { height: 200px; }
}

/* Admin Auth */
.admin-auth {
    min-height: 100vh;
    background: #05070f;
    color: #e2e8f0;
}

.admin-auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
}

.admin-auth-brand {
    padding: 90px 80px;
    background: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.18) 0%, transparent 50%),
        linear-gradient(180deg, #05070f 0%, #070b16 100%);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.brand-icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #60a5fa;
    background: rgba(15, 23, 42, 0.6);
}

.brand-logo img {
    height: 58px;
}

.brand-title {
    font-size: 2.1rem;
    font-weight: 600;
    color: #cbd5f5;
}

.brand-desc {
    max-width: 480px;
    color: rgba(226, 232, 240, 0.65);
    line-height: 1.7;
    font-size: 1rem;
}

.brand-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.brand-tags span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.2);
    color: #bfdbfe;
    font-size: 0.82rem;
    letter-spacing: 0.02em;
}

.admin-auth-form {
    background: #070b16;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 60px;
}

.admin-auth-card {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.admin-auth-card h1 {
    font-size: 2rem;
    font-weight: 600;
    color: #f8fafc;
}

.admin-auth-card p {
    color: rgba(226, 232, 240, 0.65);
    font-size: 1rem;
}

.admin-field {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 18px;
}

.admin-field label {
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.6);
}

.admin-input-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff7c2;
    border-radius: 14px;
    padding: 14px 16px;
}

.admin-input-wrap i {
    color: rgba(15, 23, 42, 0.6);
}

.admin-input-wrap input {
    border: none;
    background: transparent;
    width: 100%;
    font-size: 0.98rem;
    color: #0f172a;
    outline: none;
}

.admin-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    font-size: 0.9rem;
    color: rgba(226, 232, 240, 0.6);
}

.admin-check {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-pill {
    background: rgba(15, 107, 109, 0.12);
    color: #0f6b6d;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.admin-logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.admin-logo-card {
    background: #f8fafc;
    border: 1px dashed #e2e8f0;
    border-radius: 14px;
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90px;
}

.admin-logo-card img {
    width: 100%;
    height: 56px;
    object-fit: contain;
}

.admin-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 16px;
}

.admin-project-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.admin-project-header h4 {
    margin: 0;
    font-size: 1.05rem;
}

.admin-delete-form {
    align-self: flex-end;
}

.admin-link {
    color: #60a5fa;
    text-decoration: none;
}

.admin-link:hover {
    text-decoration: underline;
}

.admin-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.9rem;
    margin-top: 12px;
}

.admin-submit {
    margin-top: 18px;
    width: 100%;
    border: none;
    background: #1d4ed8;
    color: #fff;
    padding: 14px 18px;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.admin-submit:hover {
    background: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(29, 78, 216, 0.3);
}

.admin-footnote {
    margin-top: 20px;
    font-size: 0.85rem;
    color: rgba(226, 232, 240, 0.4);
    text-align: center;
}

/* Admin Panel */
.admin-panel {
    min-height: 100vh;
    background: #f1f5f9;
    color: #0f172a;
}

.admin-shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: #111827;
    border-right: 1px solid rgba(148, 163, 184, 0.15);
    padding: 24px 20px;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.admin-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    color: rgba(226, 232, 240, 0.75);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.admin-nav-link i {
    color: #60a5fa;
    width: 18px;
}

.admin-nav-link:hover {
    background: rgba(15, 23, 42, 0.6);
    color: #ffffff;
}

.admin-nav-link.active {
    background: rgba(15, 23, 42, 0.8);
    color: #ffffff;
}

.admin-link-card {
    text-decoration: none;
    color: inherit;
}

.admin-link-card:hover {
    border-color: #0f6b6d;
}

.admin-sidebar-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.admin-content {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    backdrop-filter: blur(12px);
}

.admin-topbar-inner {
    width: 100%;
    padding: 16px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.admin-topbar-title {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.admin-topbar-title h1 {
    font-size: 1.2rem;
    margin: 0;
    color: #0f172a;
}

.admin-topbar-title span {
    font-size: 0.8rem;
    color: #64748b;
}

.admin-sidebar-toggle {
    background: transparent;
    border: 1px solid rgba(148, 163, 184, 0.3);
    color: #e2e8f0;
    border-radius: 10px;
    width: 40px;
    height: 40px;
    display: none;
    align-items: center;
    justify-content: center;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.admin-brand-logo {
    height: 34px;
}

.admin-brand-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.92rem;
}

.admin-brand-meta small {
    color: rgba(226, 232, 240, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.admin-actions .btn-outline {
    color: #0f172a;
    border-color: #cbd5e1;
}

.admin-actions .btn-outline:hover {
    color: #0f172a;
    border-color: #0f6b6d;
    box-shadow: none;
}

.admin-main {
    padding: 40px 0 80px;
}

.admin-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
}

.admin-header-block {
    margin-bottom: 28px;
}

.admin-kicker {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 8px;
}

.admin-title {
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: #0f172a;
}

.admin-subtitle {
    color: #64748b;
    max-width: 520px;
}

.admin-alert {
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 24px;
    border: 1px solid transparent;
    font-size: 0.95rem;
}

.admin-alert.success {
    background: #ecfdf3;
    border-color: #a7f3d0;
    color: #047857;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.admin-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 26px;
    box-shadow: var(--shadow-sm);
}

.admin-card-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.admin-card-title h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #0f172a;
}

.admin-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #0f6b6d;
}

.admin-fields {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.admin-project-group {
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
    background: #f8fafc;
    padding: 16px;
    border-radius: 12px;
}

.admin-project-group:first-child {
    border-top: none;
}

.admin-project-group h4 {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.admin-project-group + .admin-project-group {
    margin-top: 12px;
}

.admin-image-preview {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    background: #f8fafc;
}

.admin-image-preview img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.admin-label {
    display: block;
    margin-bottom: 8px;
    color: #64748b;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.admin-input,
.admin-textarea {
    width: 100%;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    padding: 12px 14px;
    color: #0f172a;
    border-radius: 12px;
    font-size: 0.95rem;
}

.admin-toggle {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 12px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    font-weight: 600;
    color: #0f172a;
}

.admin-toggle input {
    width: 18px;
    height: 18px;
}

.admin-file {
    width: 100%;
    border: 1px dashed #cbd5e1;
    background: #f8fafc;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 0.9rem;
    color: #475569;
}

.admin-help {
    margin-top: 8px;
    font-size: 0.85rem;
    color: #64748b;
}

.admin-helper {
    margin-top: 8px;
    font-size: 0.85rem;
    color: #0f6b6d;
    font-weight: 600;
}

.admin-media-preview {
    margin-top: 12px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
}

.admin-media-preview img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.admin-input:focus,
.admin-textarea:focus {
    outline: none;
    border-color: #0f6b6d;
    box-shadow: 0 0 0 3px rgba(15, 107, 109, 0.2);
}

.admin-input-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 12px;
}

.admin-color-grid {
    display: flex;
    gap: 22px;
}

.admin-color-input {
    width: 74px;
    height: 74px;
    border: none;
    background: transparent;
    cursor: pointer;
}

.admin-actions-bottom {
    display: flex;
    justify-content: flex-end;
    margin-top: 28px;
}

.admin-actions-bottom .btn-primary {
    border-radius: 12px;
    padding: 12px 28px;
}

.admin-table {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 18px;
}

.admin-table-head,
.admin-table-row {
    display: grid;
    grid-template-columns: 180px 1fr 120px;
    gap: 16px;
    align-items: center;
    padding: 12px 16px;
    border-radius: 12px;
}

.admin-table-head {
    background: #f1f5f9;
    font-weight: 600;
    color: #0f172a;
    border: 1px solid #e2e8f0;
}

.admin-table-row {
    background: #ffffff;
    border: 1px solid #e2e8f0;
}

.admin-table-row form {
    margin: 0;
}

@media (max-width: 1024px) {
    .admin-auth-shell { grid-template-columns: 1fr; }
    .admin-auth-brand { padding: 70px 50px; }
    .admin-auth-form { padding: 60px 40px; }
    .admin-input-row { grid-template-columns: 1fr; }
    .admin-shell { grid-template-columns: 1fr; }
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 20;
        width: 260px;
    }
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .admin-sidebar-toggle {
        display: inline-flex;
    }
    .admin-table-head,
    .admin-table-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .admin-auth-brand { padding: 50px 30px; }
    .admin-auth-form { padding: 50px 24px; }
    .admin-topbar-inner { padding: 16px 20px; }
    .admin-container { padding: 0 20px; }
    .admin-color-grid { flex-direction: column; }
}