/* ==========================================================================
   Vantage Tech — Warm Noir
   Dark editorial sophistication with copper accents
   ========================================================================== */

/* --- Custom Properties --- */
:root {
    --bg-deep: #0B1120;
    --bg-surface: #0F1729;
    --bg-card: #131C2E;
    --bg-card-hover: #19243A;

    --copper-100: #F2D6C0;
    --copper-200: #E5B799;
    --copper-300: #D4956A;
    --copper-400: #C17F59;
    --copper-500: #A66B4B;
    --copper-glow: rgba(212, 149, 106, 0.06);

    --text-primary: #E8E0D8;
    --text-secondary: #9A9088;
    --text-tertiary: #5C554E;

    --border-subtle: rgba(212, 149, 106, 0.07);
    --border-medium: rgba(212, 149, 106, 0.14);
    --border-accent: rgba(212, 149, 106, 0.3);

    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    --space-2xl: 8rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-deep);
    overflow-x: hidden;
    animation: page-fade-in 0.6s var(--ease-out) forwards;
}

@keyframes page-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

a {
    color: var(--copper-300);
    text-decoration: none;
    transition: color 0.3s var(--ease-out);
}

a:hover { color: var(--copper-200); }

a:focus-visible {
    outline: 2px solid var(--copper-400);
    outline-offset: 3px;
    border-radius: 2px;
}

::selection {
    background: rgba(212, 149, 106, 0.25);
    color: var(--text-primary);
}

/* --- Topographic Background Canvas --- */
#topo-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.45;
}

/* --- Grain Overlay --- */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: var(--space-sm) var(--space-md);
    transition: background 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out);
}

.site-header.scrolled {
    background: rgba(11, 17, 32, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

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

.logo-mark {
    width: 36px;
    height: 36px;
    transition: transform 0.3s var(--ease-out);
}

.logo-link:hover .logo-mark {
    transform: scale(1.05);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-nav a {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    transition: color 0.3s var(--ease-out);
}

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

.nav-cta {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    color: var(--copper-300) !important;
    transition: all 0.3s var(--ease-out) !important;
}

.nav-cta:hover {
    background: rgba(212, 149, 106, 0.1);
    border-color: var(--copper-400);
    color: var(--copper-200) !important;
}

/* --- Hero --- */
.hero {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-2xl) var(--space-md);
}

/* Bottom gradient fade on hero */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background: linear-gradient(to bottom, transparent, var(--bg-deep));
    pointer-events: none;
    z-index: 1;
}

/* Decorative copper glow orb behind hero */
.hero::before {
    content: '';
    position: absolute;
    top: 15%;
    right: 5%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 149, 106, 0.06) 0%, transparent 70%);
    pointer-events: none;
    animation: orb-drift 12s var(--ease-in-out) infinite alternate;
}

/* Decorative topographic SVG in hero */
.hero-deco {
    position: absolute;
    top: 50%;
    right: 2%;
    transform: translateY(-50%);
    width: 550px;
    height: 550px;
    pointer-events: none;
    animation: topo-rotate 60s linear infinite;
}

.hero-topo-svg {
    width: 100%;
    height: 100%;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    position: relative;
}

.hero-eyebrow {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--copper-400);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero-eyebrow::after {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--copper-400);
    opacity: 0.5;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    line-height: 1.08;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    text-shadow: 0 2px 40px rgba(212, 149, 106, 0.08);
}

.hero-line {
    display: block;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeUp 1s var(--ease-out) forwards;
}

.hero-line:nth-child(1) { animation-delay: 0.4s; }
.hero-line:nth-child(2) {
    animation-delay: 0.6s;
    background: linear-gradient(90deg, var(--text-primary) 30%, var(--copper-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s var(--ease-out) 0.9s forwards;
}

.hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s var(--ease-out) 1.1s forwards;
}

.pill {
    display: inline-block;
    padding: 0.4rem 1rem;
    border: 1px solid var(--border-medium);
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    transition: all 0.3s var(--ease-out);
}

.pill:hover {
    border-color: var(--copper-400);
    color: var(--copper-300);
    background: rgba(212, 149, 106, 0.06);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeIn 1s var(--ease-out) 1.5s forwards;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--copper-400), transparent);
    animation: scrollPulse 2s var(--ease-in-out) infinite;
}

/* --- Marquee Strip --- */
.marquee-strip {
    position: relative;
    z-index: 3;
    overflow: hidden;
    padding: 1rem 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(15, 23, 41, 0.6);
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    white-space: nowrap;
    width: max-content;
}

.marquee-track span {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-style: italic;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    transition: color 0.3s;
}

.marquee-dot {
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--copper-500);
    flex-shrink: 0;
}

/* --- Section Shared --- */
.section {
    position: relative;
    z-index: 2;
    padding: var(--space-2xl) var(--space-md);
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: var(--space-xl);
}

.section-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--copper-400);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: var(--space-xs);
}

.section-label::before {
    content: '';
    width: 12px;
    height: 1px;
    background: var(--copper-400);
    opacity: 0.6;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 400;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xs);
}

.section-desc {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* --- Capabilities --- */
.capabilities-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.capability-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: var(--space-lg) var(--space-md);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--copper-400), var(--copper-500) 40%, transparent);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
}

.capability-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(212, 149, 106, 0.04), transparent 50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
}

.capability-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-medium);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(212, 149, 106, 0.03);
}

.capability-card:hover::before { opacity: 1; }
.capability-card:hover::after { opacity: 1; }

.capability-number {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--copper-500);
    margin-bottom: var(--space-sm);
    transition: color 0.3s var(--ease-out);
}

.capability-card:hover .capability-number {
    color: var(--copper-300);
}

.capability-name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
    transition: color 0.3s var(--ease-out);
}

.capability-card:hover .capability-name {
    color: var(--copper-200);
}

.capability-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Center the last card if odd count */
.capabilities-grid .capability-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: calc(50% - var(--space-md) / 2);
    justify-self: center;
}

/* --- Interstitial --- */
.interstitial {
    position: relative;
    z-index: 2;
    padding: var(--space-xl) var(--space-md);
    text-align: center;
}

.interstitial-text {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    font-style: italic;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.4;
    opacity: 0.6;
}

/* --- Products Grid --- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: var(--space-md) var(--space-md) var(--space-md);
    transition: all 0.4s var(--ease-out);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--copper-500) 50%, transparent);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
}

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

.product-card--live { cursor: pointer; }

.product-card--live::before {
    background: linear-gradient(90deg, transparent, rgba(72, 187, 120, 0.5) 50%, transparent);
    opacity: 0.6;
}

.product-card--live:hover::before { opacity: 1; }

.product-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-medium);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(212, 149, 106, 0.03);
}

.product-card-top {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.product-status {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    width: fit-content;
}

.product-status--live {
    background: rgba(72, 187, 120, 0.12);
    color: #68D391;
    border: 1px solid rgba(72, 187, 120, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.product-status--live::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #68D391;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(104, 211, 145, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 4px rgba(104, 211, 145, 0); }
}

.product-status--dev {
    background: rgba(212, 149, 106, 0.1);
    color: var(--copper-300);
    border: 1px solid rgba(212, 149, 106, 0.2);
}

.product-status--planned {
    background: rgba(160, 155, 150, 0.08);
    color: var(--text-tertiary);
    border: 1px solid rgba(160, 155, 150, 0.15);
}

/* Subtle diagonal stripe pattern for upcoming products */
.product-card--dev::after,
.product-card--planned::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 4px,
        rgba(212, 149, 106, 0.02) 4px,
        rgba(212, 149, 106, 0.02) 5px
    );
    border-radius: 0 0 12px 0;
    pointer-events: none;
}

.product-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-primary);
    transition: color 0.3s var(--ease-out);
}

.product-card:hover .product-name {
    color: var(--copper-200);
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--copper-300);
    padding-top: var(--space-xs);
    border-top: 1px solid var(--border-subtle);
    transition: all 0.3s var(--ease-out);
}

.product-link:hover {
    color: var(--copper-200);
    gap: 0.6rem;
}

.product-link svg { transition: transform 0.3s var(--ease-out); }
.product-link:hover svg { transform: translate(2px, -2px); }

/* --- Decorative Divider --- */
.section-divider {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-divider svg {
    width: 100%;
    height: 2px;
    display: block;
}

/* --- Contact --- */
.contact-section {
    text-align: center;
    padding: var(--space-2xl) var(--space-md) calc(var(--space-2xl) + 2rem);
    position: relative;
    overflow: hidden;
}

/* Atmospheric glow behind contact */
.contact-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(212, 149, 106, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--copper-300);
    padding: 0.8rem 2.2rem;
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    transition: all 0.3s var(--ease-out);
    position: relative;
}

.contact-email:hover {
    background: rgba(212, 149, 106, 0.1);
    border-color: var(--copper-400);
    color: var(--copper-200);
    gap: 0.75rem;
    box-shadow: 0 0 30px rgba(212, 149, 106, 0.08);
}

.contact-email svg { transition: transform 0.3s var(--ease-out); }
.contact-email:hover svg { transform: translate(2px, -2px); }

.contact-location {
    margin-top: var(--space-md);
    font-size: 0.85rem;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
}

/* --- Footer --- */
.site-footer {
    position: relative;
    z-index: 2;
    padding: var(--space-md) var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    background: rgba(11, 17, 32, 0.5);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-left, .footer-right {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-sep { opacity: 0.3; }

/* --- Animations --- */
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

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

@keyframes orb-drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-30px, 20px) scale(1.05); }
}

@keyframes topo-rotate {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.25s; }

.reveal-stagger.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .products-grid { grid-template-columns: 1fr; }
    .capabilities-grid { grid-template-columns: 1fr; }
    .capabilities-grid .capability-card:last-child:nth-child(odd) { grid-column: auto; max-width: none; justify-self: stretch; }
}

@media (max-width: 900px) {
    .hero-deco { display: none; }
}

@media (max-width: 640px) {
    .header-nav a:not(.nav-cta) { display: none; }

    .hero {
        padding: 7rem var(--space-md) var(--space-xl);
    }

    .hero-title { font-size: 2.2rem; }

    .hero-pills { gap: 0.4rem; }
    .pill { font-size: 0.72rem; padding: 0.3rem 0.75rem; }

    .contact-email { font-size: 1rem; padding: 0.6rem 1.5rem; }

    .footer-inner { flex-direction: column; text-align: center; }
    .footer-sep { display: none; }
    .footer-left { flex-direction: column; gap: 0.25rem; }
}