/* ============================================================
   SynrgyONE — Global Stylesheet
   ============================================================ */

/* === Reset & Variables === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-primary:    #050a12;
    --bg-secondary:  #0a1020;
    --bg-card:       #0d1528;
    --bg-card-hover: #111d38;
    --cyan:          #00d4ff;
    --cyan-mid:      #00a8cc;
    --cyan-dim:      rgba(0, 212, 255, 0.25);
    --cyan-glow:     rgba(0, 212, 255, 0.08);
    --orange:        #e8622a;
    --orange-dim:    rgba(232, 98, 42, 0.25);
    --gradient-hot:  linear-gradient(135deg, #e8622a, #ff9a44);
    --gradient-cold: linear-gradient(135deg, #00a8cc, #00d4ff);
    --text-primary:  #e8edf5;
    --text-secondary:#8a9bb8;
    --text-muted:    #4a5a75;
    --border:        #1a2540;
    --border-light:  #243050;
    --font:          'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --mono:          'JetBrains Mono', 'SF Mono', 'Cascadia Code', monospace;
    --nav-height:    72px;
    --section-pad:   100px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-decoration: none; transition: all 0.25s ease; }
a:hover { color: #fff; }

img { max-width: 100%; height: auto; display: block; }

::selection { background: var(--cyan-dim); color: #fff; }

/* === Typography === */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }

h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.02em; }
h3 { font-size: 1.15rem; }

.accent { color: var(--cyan); }
.accent-warm { color: var(--orange); }

/* === Layout === */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 28px;
}

.section {
    padding: var(--section-pad) 0;
    position: relative;
}

.section-label {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-bottom: 16px;
    opacity: 0.8;
}

.section-divider {
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--orange), var(--cyan));
    margin: 0 auto 48px;
    border-radius: 2px;
}

/* === Navigation === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    padding: 0 32px;
    background: rgba(5, 10, 18, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(26, 37, 64, 0.5);
    transition: background 0.3s;
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Logo image removed — text wordmark only */

.nav-logo .wordmark {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-primary);
}
.nav-logo .wordmark span { color: var(--cyan); }

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

.nav-links a {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyan);
    transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

/* Mobile menu toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    transition: all 0.3s;
}

/* === Hero === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--bg-primary);
    overflow: hidden;
}

/* Accretion disk — warm side */
.hero-bg::before {
    content: '';
    position: absolute;
    top: 35%;
    left: 15%;
    width: 65vw;
    height: 65vw;
    max-width: 700px;
    max-height: 700px;
    border-radius: 50%;
    background:
        radial-gradient(ellipse 120% 60% at 40% 50%,
            rgba(232, 98, 42, 0.35) 0%,
            rgba(255, 154, 68, 0.18) 30%,
            transparent 65%
        );
    filter: blur(40px);
    animation: diskDrift 18s ease-in-out infinite alternate;
}

/* Accretion disk — cool side */
.hero-bg::after {
    content: '';
    position: absolute;
    top: 30%;
    right: 5%;
    width: 55vw;
    height: 55vw;
    max-width: 600px;
    max-height: 600px;
    border-radius: 50%;
    background:
        radial-gradient(ellipse 100% 70% at 60% 50%,
            rgba(0, 168, 204, 0.2) 0%,
            rgba(0, 212, 255, 0.08) 40%,
            transparent 70%
        );
    filter: blur(50px);
    animation: diskDrift 22s ease-in-out infinite alternate-reverse;
}

/* Black hole core */
.hero-bg-core {
    position: absolute;
    top: 50%;
    left: 38%;
    width: 180px;
    height: 180px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle,
        var(--bg-primary) 35%,
        rgba(5, 10, 18, 0.95) 50%,
        transparent 70%
    );
    box-shadow:
        0 0 60px 20px rgba(232, 98, 42, 0.08),
        0 0 120px 40px rgba(0, 212, 255, 0.04);
    z-index: 1;
}

/* Heat shimmer — rising waves */
.hero-bg-shimmer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    z-index: 1;
    background:
        repeating-linear-gradient(
            0deg,
            transparent 0px,
            rgba(232, 98, 42, 0.03) 2px,
            transparent 4px,
            rgba(0, 168, 204, 0.02) 6px,
            transparent 8px
        );
    background-size: 100% 16px;
    animation: shimmerRise 9s ease-in-out infinite;
    mask-image: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 80%);
    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 80%);
    pointer-events: none;
}

/* Bottom fade to page */
.hero-bg-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, var(--bg-primary), transparent);
    z-index: 2;
}

@keyframes diskDrift {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(2vw, -1vh) scale(1.05); }
}

@keyframes shimmerRise {
    0%   { background-position: 0 0; opacity: 0.4; }
    50%  { opacity: 0.7; }
    100% { background-position: 0 -120px; opacity: 0.4; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    padding: 0 28px;
}

.hero-logo {
    width: 140px;
    margin: 0 auto 36px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero h1 {
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--cyan);
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid var(--cyan-dim);
    padding: 8px 20px;
    border-radius: 100px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeInUp 1s ease 0.8s both;
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    animation: pulse 2s ease-in-out infinite;
}

/* Cycling taglines — Safari-safe stacking */
.hero-cycle {
    position: relative;
    min-height: 2.4em;
    margin-bottom: 32px;
    animation: fadeInUp 1s ease 0.6s both;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.hero-cycle .cycle-line {
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
    letter-spacing: 0.01em;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity 1.2s ease, visibility 1.2s ease;
    transition: opacity 1.2s ease, visibility 1.2s ease;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.hero-cycle .cycle-line.active {
    opacity: 1;
    visibility: visible;
    text-shadow: 0 0 30px rgba(232, 98, 42, 0.2);
}

/* Hero CTA button */
.hero-cta {
    display: inline-block;
    padding: 16px 40px;
    font-family: var(--font);
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #fff;
    background: transparent;
    border: 1px solid var(--orange-dim);
    border-radius: 100px;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
    animation: fadeInUp 1s ease 1s both;
}

.hero-cta::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 100px;
    background: radial-gradient(circle at center, rgba(232, 98, 42, 0) 0%, rgba(232, 98, 42, 0) 100%);
    transition: background 0.6s ease;
    z-index: -1;
}

.hero-cta:hover {
    border-color: var(--orange);
    box-shadow: 0 0 40px rgba(232, 98, 42, 0.25), 0 0 80px rgba(232, 98, 42, 0.1);
    transform: translateY(-2px);
    color: #fff;
}

.hero-cta:hover::before {
    background: radial-gradient(circle at center, rgba(232, 98, 42, 0.15) 0%, transparent 70%);
    animation: ctaRipple 1s ease-out;
}

@keyframes ctaRipple {
    0%   { transform: scale(0.8); opacity: 0; }
    50%  { opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: fadeInUp 1s ease 1s both;
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    animation: bounce 2s ease-in-out infinite;
}

/* === "The Future Is HOT" Interstitial === */
.hot-interstitial {
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hot-text {
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s ease, transform 0.9s ease;
}

.hot-text.visible {
    opacity: 1;
    transform: translateY(0);
}

.hot-text .hot-word {
    display: inline-block;
    position: relative;
    background: linear-gradient(135deg, #e8622a, #ff9a44, #ffe0b2, #ff9a44, #e8622a);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: emberShift 3s ease-in-out infinite;
    filter: drop-shadow(0 0 12px rgba(232, 98, 42, 0.4));
}

.hot-text .hot-word::after {
    content: '';
    position: absolute;
    inset: -8px -16px;
    border-radius: 8px;
    background: radial-gradient(ellipse, rgba(232, 98, 42, 0.15) 0%, transparent 70%);
    animation: emberPulse 2.5s ease-in-out infinite;
    z-index: -1;
}

@keyframes emberShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes emberPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50%      { opacity: 1; transform: scale(1.15); }
}

/* === Cards Grid === */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px 24px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--orange), var(--cyan));
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
}

.card:hover::before { opacity: 1; }

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.card-icon.cyan  { background: rgba(0, 212, 255, 0.1); }
.card-icon.warm  { background: rgba(232, 98, 42, 0.1); }

.card h3 { margin-bottom: 8px; }
.card p { font-size: 0.88rem; color: var(--text-secondary); }

/* === Contact Section === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item .ci-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(0, 212, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.contact-item .ci-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact-item .ci-value {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.map-embed {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    height: 100%;
    min-height: 320px;
}

.map-embed iframe {
    width: 100%;
    height: 100%;
    min-height: 320px;
    border: 0;
    filter: grayscale(0.6) invert(0.92) contrast(1.1) hue-rotate(180deg) brightness(0.8);
}

/* === Contact Form === */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 16px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.92rem;
    transition: border-color 0.25s, box-shadow 0.25s;
    outline: none;
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--orange), var(--cyan-mid));
    color: #fff;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    align-self: flex-start;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.2);
}

.form-submit:active {
    transform: translateY(0);
}

/* Consent disclosure text below form */
.form-consent {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-top: 14px;
    max-width: 480px;
}

.form-consent a {
    color: var(--text-secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.form-consent a:hover {
    color: var(--cyan);
}

/* Privacy policy page content */
.policy-content h2 {
    color: var(--text-primary);
}

.policy-content p {
    font-size: 0.95rem !important;
    color: var(--text-secondary);
    line-height: 1.85;
}

/* === X Feed Section === */
.feed-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.feed-header {
    text-align: center;
    margin-bottom: 32px;
}

.feed-scroll-wrapper {
    overflow: hidden;
    position: relative;
}

.feed-scroll-wrapper::before,
.feed-scroll-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 2;
    pointer-events: none;
}
.feed-scroll-wrapper::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-secondary), transparent);
}
.feed-scroll-wrapper::after {
    right: 0;
    background: linear-gradient(-90deg, var(--bg-secondary), transparent);
}

.feed-track {
    display: flex;
    gap: 16px;
    animation: scrollFeed 45s linear infinite;
    width: max-content;
}

.feed-track:hover { animation-play-state: paused; }

.feed-card {
    flex-shrink: 0;
    width: 300px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    transition: border-color 0.3s;
}

.feed-card:hover { border-color: var(--border-light); }

.feed-card .fc-handle {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cyan);
    margin-bottom: 4px;
}

.feed-card .fc-name {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.feed-card .fc-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.feed-card .fc-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cyan);
    letter-spacing: 0.05em;
}

/* === About Page === */
.about-hero {
    padding: calc(var(--nav-height) + 60px) 0 60px;
    text-align: center;
}

.about-content {
    max-width: 680px;
    margin: 0 auto;
    padding-bottom: 80px;
}

.about-content p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-content p:first-of-type::first-letter {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--cyan);
    float: left;
    line-height: 1;
    margin-right: 10px;
    margin-top: 4px;
}

.founder-title {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--orange);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.about-detail {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    margin-top: 40px;
}

.about-detail h3 {
    margin-bottom: 12px;
    font-size: 1rem;
}

.about-detail p {
    font-size: 0.9rem !important;
    margin-bottom: 0 !important;
}

/* === Social Links === */
.social-links {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: all 0.25s ease;
}

.social-links a:hover {
    border-color: var(--cyan-dim);
    color: var(--cyan);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.1);
}

.social-links a svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.social-links.social-inline {
    justify-content: flex-start;
    margin-top: 16px;
}

/* === Delta Landscape Footer Scroll === */
.delta-scroll {
    position: relative;
    height: 120px;
    overflow: hidden;
    border-top: 1px solid var(--border);
    background: var(--bg-primary);
}

.delta-scroll::before,
.delta-scroll::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}
.delta-scroll::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-primary), transparent);
}
.delta-scroll::after {
    right: 0;
    background: linear-gradient(-90deg, var(--bg-primary), transparent);
}

.delta-track {
    display: flex;
    height: 100%;
    animation: deltaScroll 60s linear infinite;
    width: max-content;
}

.delta-scene {
    flex-shrink: 0;
    width: 400px;
    height: 120px;
    position: relative;
    opacity: 0.12;
}

/* Scene 1: Farmland at golden hour — flat horizon, rows of crops */
.delta-scene.farmland {
    background:
        linear-gradient(to bottom,
            #2a1a08 0%, #3d2510 30%, #1a1205 50%,
            #0d0a04 50.5%, #0a0702 100%
        );
}
.delta-scene.farmland::before {
    content: '';
    position: absolute;
    bottom: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 160, 60, 0.4) 30%, rgba(255, 200, 100, 0.6) 50%, rgba(255, 160, 60, 0.4) 70%, transparent 100%);
    filter: blur(2px);
}
.delta-scene.farmland::after {
    content: '';
    position: absolute;
    top: 10%;
    left: 30%;
    width: 40%;
    height: 35%;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(255, 140, 40, 0.3) 0%, transparent 70%);
    filter: blur(15px);
}

/* Scene 2: Moss-draped oaks — irregular tree silhouettes */
.delta-scene.mossoaks {
    background: linear-gradient(to bottom, #0f1a12 0%, #0a1208 60%, #060d05 100%);
}
.delta-scene.mossoaks::before {
    content: '';
    position: absolute;
    bottom: 30%;
    left: 10%;
    width: 25%;
    height: 55%;
    background: radial-gradient(ellipse 100% 130% at 50% 90%, #050a04 0%, transparent 70%);
    border-radius: 60% 70% 0 0;
}
.delta-scene.mossoaks::after {
    content: '';
    position: absolute;
    bottom: 25%;
    right: 15%;
    width: 30%;
    height: 60%;
    background: radial-gradient(ellipse 110% 120% at 50% 85%, #040903 0%, transparent 65%);
    border-radius: 50% 65% 0 0;
}

/* Scene 3: Town silhouette at dusk */
.delta-scene.town {
    background: linear-gradient(to bottom, #1a0f08 0%, #2a1510 25%, #120a05 50%, #0a0604 100%);
}
.delta-scene.town::before {
    content: '';
    position: absolute;
    bottom: 40%;
    left: 15%;
    width: 70%;
    height: 20%;
    background:
        linear-gradient(90deg,
            transparent 0%,
            #0a0604 5%, #0a0604 8%, transparent 8.5%,
            transparent 15%, #0a0604 15.5%, #0a0604 22%, transparent 22.5%,
            transparent 30%, #0a0604 30.5%, #0a0604 35%, transparent 35.5%,
            transparent 45%, #0a0604 45.5%, #0a0604 55%, transparent 55.5%,
            transparent 62%, #0a0604 62.5%, #0a0604 68%, transparent 68.5%,
            transparent 78%, #0a0604 78.5%, #0a0604 85%, transparent 85.5%,
            transparent 100%
        );
}
.delta-scene.town::after {
    content: '';
    position: absolute;
    top: 5%;
    left: 40%;
    width: 20%;
    height: 30%;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(255, 120, 40, 0.2) 0%, transparent 70%);
    filter: blur(10px);
}

/* Scene 4: Heat haze — shimmering gradient */
.delta-scene.haze {
    background: linear-gradient(to bottom, #1a0d05 0%, #0d0702 50%, #080503 100%);
}
.delta-scene.haze::before {
    content: '';
    position: absolute;
    bottom: 30%;
    left: 0;
    right: 0;
    height: 40%;
    background:
        repeating-linear-gradient(0deg,
            transparent 0px,
            rgba(255, 140, 40, 0.06) 1px,
            transparent 3px
        );
    animation: shimmerRise 6s ease-in-out infinite;
}
.delta-scene.haze::after {
    content: '';
    position: absolute;
    bottom: 45%;
    left: 20%;
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(255, 160, 60, 0.15), transparent);
    filter: blur(3px);
}

@keyframes deltaScroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* === Footer === */
.footer {
    text-align: center;
    padding: 48px 0;
    border-top: 1px solid var(--border);
}

.footer p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}

.footer .footer-links a {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* === Animations === */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.3; }
}

@keyframes bounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50%      { transform: rotate(45deg) translateY(6px); }
}

@keyframes scrollFeed {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 768px) {
    :root { --section-pad: 64px; }

    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(5, 10, 18, 0.97);
        backdrop-filter: blur(20px);
        padding: 24px 32px;
        gap: 20px;
        border-bottom: 1px solid var(--border);
    }
    .nav-toggle { display: flex; }

    .contact-grid { grid-template-columns: 1fr; }
    .card-grid { grid-template-columns: 1fr; }

    .hero-logo { width: 100px; }
}

@media (max-width: 480px) {
    .hero { min-height: 90vh; }
    .hero-tagline { font-size: 1rem; }
}