/* ================================================
   TAUCHER MUSTERMANN — Premium Industrial Diving
   Dark Cinematic Design System
   ================================================ */

/* ---- CUSTOM PROPERTIES ---- */
:root {
    /* Core palette */
    --black: #0a0a0a;
    --black-pure: #000000;
    --dark: #0d1117;
    --dark-surface: #111820;
    --dark-card: #141c26;
    --dark-elevated: #1a2332;

    /* Ocean tones */
    --ocean-deep: #0a1628;
    --ocean-mid: #0e1f35;
    --ocean-light: #132d4a;
    --petroleum: #0f2b3c;

    /* Accent — Gold/Copper */
    --gold: #c8a44e;
    --gold-light: #dbb963;
    --gold-dim: #9a7d3a;
    --copper: #b87333;

    /* Text */
    --white: #ffffff;
    --white-90: rgba(255,255,255,0.9);
    --white-70: rgba(255,255,255,0.7);
    --white-50: rgba(255,255,255,0.5);
    --white-30: rgba(255,255,255,0.3);
    --white-15: rgba(255,255,255,0.15);
    --white-08: rgba(255,255,255,0.08);
    --white-04: rgba(255,255,255,0.04);

    /* Typography */
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: clamp(80px, 12vw, 160px);
    --container-max: 1320px;
    --container-padding: clamp(20px, 5vw, 60px);

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --transition-base: 0.4s var(--ease-out-expo);
    --transition-slow: 0.8s var(--ease-out-expo);

    /* Borders */
    --border-subtle: 1px solid var(--white-08);
    --border-gold: 1px solid var(--gold-dim);
}

/* ================================================
   CINEMATIC PRELOADER
   ================================================ */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: #020608;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.preloader--done {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Volumetric light rays */
.preloader__rays {
    position: absolute;
    inset: 0;
    z-index: 2;
    opacity: 0;
    animation: preloaderRaysFade 3.5s 0.3s ease-out forwards;
}

@keyframes preloaderRaysFade {
    0% { opacity: 0; }
    30% { opacity: 0.6; }
    70% { opacity: 0.8; }
    100% { opacity: 0.4; }
}

.preloader__ray {
    position: absolute;
    top: -20%;
    width: 2px;
    height: 140%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(200, 164, 78, 0.03) 20%,
        rgba(200, 164, 78, 0.08) 40%,
        rgba(200, 164, 78, 0.03) 70%,
        transparent 100%
    );
    transform-origin: top center;
    filter: blur(8px);
}

.preloader__ray--1 {
    left: 30%;
    transform: rotate(-8deg);
    animation: rayFloat1 4s ease-in-out infinite;
    width: 3px;
}

.preloader__ray--2 {
    left: 42%;
    transform: rotate(-3deg);
    animation: rayFloat2 5s 0.5s ease-in-out infinite;
    opacity: 0.7;
}

.preloader__ray--3 {
    left: 50%;
    transform: rotate(2deg);
    animation: rayFloat3 4.5s 0.2s ease-in-out infinite;
    width: 4px;
    opacity: 0.9;
}

.preloader__ray--4 {
    left: 58%;
    transform: rotate(5deg);
    animation: rayFloat2 5.5s 0.8s ease-in-out infinite;
    opacity: 0.6;
}

.preloader__ray--5 {
    left: 70%;
    transform: rotate(10deg);
    animation: rayFloat1 4.2s 0.4s ease-in-out infinite;
    width: 2px;
    opacity: 0.5;
}

@keyframes rayFloat1 {
    0%, 100% { transform: rotate(-8deg) scaleX(1); opacity: 0.5; }
    50% { transform: rotate(-6deg) scaleX(1.5); opacity: 0.8; }
}

@keyframes rayFloat2 {
    0%, 100% { transform: rotate(-3deg) scaleX(1); opacity: 0.4; }
    50% { transform: rotate(-1deg) scaleX(2); opacity: 0.7; }
}

@keyframes rayFloat3 {
    0%, 100% { transform: rotate(2deg) scaleX(1); opacity: 0.6; }
    50% { transform: rotate(4deg) scaleX(1.8); opacity: 1; }
}

/* Underwater caustics */
.preloader__caustics {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        radial-gradient(ellipse 600px 400px at 30% 20%, rgba(10, 40, 80, 0.15) 0%, transparent 70%),
        radial-gradient(ellipse 400px 300px at 70% 60%, rgba(15, 43, 60, 0.1) 0%, transparent 60%);
    animation: causticsShift 8s ease-in-out infinite;
    opacity: 0;
    transition: opacity 1s ease-out 0.5s;
}

.preloader:not(.preloader--done) .preloader__caustics {
    opacity: 1;
}

@keyframes causticsShift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -10px) scale(1.02); }
    50% { transform: translate(-10px, 15px) scale(0.98); }
    75% { transform: translate(15px, 5px) scale(1.01); }
}

/* Fog layers */
.preloader__fog {
    position: absolute;
    left: -10%;
    right: -10%;
    height: 30%;
    z-index: 3;
    pointer-events: none;
}

.preloader__fog--top {
    top: -5%;
    background: linear-gradient(180deg, #020608 0%, transparent 100%);
    opacity: 0.9;
}

.preloader__fog--bottom {
    bottom: -5%;
    background: linear-gradient(0deg, #020608 0%, transparent 100%);
    opacity: 0.9;
}

/* Center content */
.preloader__center {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* Spark burst (welding effect behind logo) */
.preloader__spark-burst {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    transform: translate(-50%, -55%);
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(219, 185, 99, 0.4) 0%,
        rgba(200, 164, 78, 0.15) 25%,
        rgba(184, 115, 51, 0.05) 50%,
        transparent 70%
    );
    opacity: 0;
    filter: blur(20px);
    animation: sparkBurst 3s 0.8s ease-out forwards;
    z-index: -1;
}

@keyframes sparkBurst {
    0% { opacity: 0; transform: translate(-50%, -55%) scale(0.2); }
    20% { opacity: 1; }
    40% { opacity: 0.8; transform: translate(-50%, -55%) scale(1.2); }
    100% { opacity: 0.3; transform: translate(-50%, -55%) scale(1); }
}

/* Logo */
.preloader__logo-wrap {
    position: relative;
    width: clamp(100px, 20vw, 160px);
    height: clamp(100px, 20vw, 160px);
    margin-bottom: 32px;
}

.preloader__logo-glow {
    position: absolute;
    inset: -30%;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(200, 164, 78, 0.12) 0%,
        rgba(200, 164, 78, 0.04) 40%,
        transparent 70%
    );
    opacity: 0;
    animation: logoGlow 3s 1.2s ease-out forwards;
}

@keyframes logoGlow {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.preloader__logo {
    width: 100%;
    height: 100%;
    opacity: 0;
    filter: drop-shadow(0 0 30px rgba(200, 164, 78, 0));
    animation: logoReveal 2s 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes logoReveal {
    0% {
        opacity: 0;
        filter: drop-shadow(0 0 30px rgba(200, 164, 78, 0));
        transform: scale(0.7) translateY(20px);
    }
    40% {
        opacity: 1;
        filter: drop-shadow(0 0 40px rgba(200, 164, 78, 0.5));
    }
    70% {
        filter: drop-shadow(0 0 25px rgba(200, 164, 78, 0.3));
        transform: scale(1.03) translateY(-3px);
    }
    100% {
        opacity: 1;
        filter: drop-shadow(0 0 15px rgba(200, 164, 78, 0.15));
        transform: scale(1) translateY(0);
    }
}

/* Logo SVG path animations */
.preloader__logo-ring {
    stroke-dasharray: 360;
    stroke-dashoffset: 360;
    animation: drawRing 2s 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.preloader__logo-ring--inner {
    animation-delay: 0.9s;
    animation-duration: 1.8s;
}

@keyframes drawRing {
    to { stroke-dashoffset: 0; }
}

.preloader__logo-helmet {
    stroke-dasharray: 160;
    stroke-dashoffset: 160;
    animation: drawRing 1.5s 1s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.preloader__logo-visor {
    stroke-dasharray: 120;
    stroke-dashoffset: 120;
    animation: drawRing 1.2s 1.2s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.preloader__logo-body {
    stroke-dasharray: 20;
    stroke-dashoffset: 20;
    animation: drawRing 0.8s 1.5s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.preloader__logo-wave {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: drawRing 1.5s 1.6s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

/* Title reveal */
.preloader__title-wrap {
    text-align: center;
}

.preloader__title-mask {
    overflow: hidden;
    margin-bottom: 8px;
}

.preloader__title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3.5vw, 2.4rem);
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    transform: translateY(120%);
    animation: titleSlideUp 1s 2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    background: linear-gradient(
        135deg,
        var(--white) 0%,
        var(--white-90) 40%,
        var(--gold-light) 50%,
        var(--white-90) 60%,
        var(--white) 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleSlideUp 1s 2s cubic-bezier(0.16, 1, 0.3, 1) forwards,
               titleShimmer 3s 2.5s ease-in-out forwards;
}

@keyframes titleSlideUp {
    to { transform: translateY(0); }
}

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

.preloader__subtitle-mask {
    overflow: hidden;
}

.preloader__subtitle {
    display: block;
    font-family: var(--font-body);
    font-size: clamp(0.55rem, 1.2vw, 0.75rem);
    font-weight: 500;
    letter-spacing: 0.35em;
    color: var(--gold);
    text-transform: uppercase;
    transform: translateY(120%);
    opacity: 0;
    animation: subtitleReveal 1s 2.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* Depth gauge */
.preloader__depth {
    position: absolute;
    right: clamp(20px, 4vw, 60px);
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0;
    animation: depthFadeIn 1s 0.5s ease-out forwards;
}

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

.preloader__depth-label {
    font-size: 0.6rem;
    letter-spacing: 0.35em;
    color: var(--white-30);
    writing-mode: vertical-rl;
    text-transform: uppercase;
    font-family: var(--font-body);
    font-weight: 500;
}

.preloader__depth-value {
    font-family: var(--font-display);
    font-size: clamp(0.9rem, 1.5vw, 1.2rem);
    font-weight: 600;
    color: var(--gold);
    font-variant-numeric: tabular-nums;
}

.preloader__depth-bar {
    width: 2px;
    height: 80px;
    background: var(--white-08);
    position: relative;
    overflow: hidden;
    border-radius: 1px;
}

.preloader__depth-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(180deg, var(--gold), var(--copper));
    border-radius: 1px;
    transition: height 0.1s linear;
}

/* Progress bar */
.preloader__progress {
    position: absolute;
    bottom: clamp(30px, 5vh, 60px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    width: clamp(120px, 15vw, 200px);
    opacity: 0;
    animation: depthFadeIn 0.8s 0.3s ease-out forwards;
}

.preloader__progress-track {
    width: 100%;
    height: 1px;
    background: var(--white-08);
    position: relative;
    overflow: hidden;
}

.preloader__progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--gold-dim), var(--gold));
    transition: width 0.15s linear;
}

/* Responsive preloader */
@media (max-width: 768px) {
    .preloader__depth {
        display: none;
    }

    .preloader__ray {
        filter: blur(12px);
    }

    .preloader__spark-burst {
        width: 200px;
        height: 200px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .preloader__logo,
    .preloader__title,
    .preloader__subtitle {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .preloader__logo-ring,
    .preloader__logo-helmet,
    .preloader__logo-visor,
    .preloader__logo-body,
    .preloader__logo-wave {
        stroke-dashoffset: 0 !important;
        animation: none !important;
    }
}

/* ---- 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;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--black);
    color: var(--white-70);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}

/* ---- UTILITIES ---- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.text-accent {
    color: var(--gold);
}

.hide-mobile {
    display: inline;
}

/* ---- SECTION HEADERS ---- */
.section__header {
    text-align: center;
    margin-bottom: clamp(48px, 6vw, 80px);
}

.section__tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
}

.section__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.15;
    margin-bottom: 20px;
}

.section__desc {
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    color: var(--white-50);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ================================================
   NAVIGATION
   ================================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.5s var(--ease-out-expo);
}

.nav--scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: var(--border-subtle);
}

.nav__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 1001;
}

.nav__logo-icon {
    width: 44px;
    height: 44px;
    color: var(--gold);
}

.nav__logo-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.15em;
    display: block;
    line-height: 1.2;
}

.nav__logo-sub {
    font-size: 0.55rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    display: block;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav__link {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--white-70);
    transition: color var(--transition-base);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width var(--transition-base);
}

.nav__link:hover {
    color: var(--white);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link--cta {
    color: var(--gold);
    border: 1px solid var(--gold-dim);
    padding: 10px 24px;
    transition: all var(--transition-base);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    background: var(--gold);
    color: var(--black);
}

/* Burger */
.nav__burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
    padding: 8px;
}

.nav__burger span {
    display: block;
    width: 28px;
    height: 1.5px;
    background: var(--white);
    transition: all 0.4s var(--ease-out-expo);
    transform-origin: center;
}

.nav__burger--active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.nav__burger--active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__burger--active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s var(--ease-out-expo);
}

.mobile-menu--active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.mobile-menu__link {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--white-70);
    transition: all 0.4s var(--ease-out-expo);
    transform: translateY(30px);
    opacity: 0;
}

.mobile-menu--active .mobile-menu__link {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu--active .mobile-menu__link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu--active .mobile-menu__link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu--active .mobile-menu__link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu--active .mobile-menu__link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu--active .mobile-menu__link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu--active .mobile-menu__link:nth-child(6) { transition-delay: 0.35s; }

.mobile-menu__link:hover {
    color: var(--gold);
}

/* ================================================
   HERO
   ================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg,
            rgba(10,10,10,0.3) 0%,
            rgba(10,10,10,0.1) 30%,
            rgba(10,10,10,0.4) 60%,
            rgba(10,10,10,0.85) 85%,
            var(--black) 100%
        ),
        linear-gradient(90deg,
            rgba(10,10,10,0.6) 0%,
            rgba(10,10,10,0) 60%
        );
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: 0 var(--container-padding);
    padding-bottom: clamp(60px, 10vh, 120px);
    max-width: var(--container-max);
    margin: 0 auto;
    width: 100%;
}

.hero__badge {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
}

.hero__badge-line {
    width: 40px;
    height: 1px;
    background: var(--gold);
}

.hero__badge-text {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    line-height: 1.05;
    letter-spacing: 0.02em;
    margin-bottom: 0;
}

.hero__title--accent {
    color: var(--gold);
    display: inline-block;
}

.hero__divider {
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 28px 0;
}

.hero__subtitle {
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    color: var(--white-70);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 480px;
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid var(--gold-dim);
    padding: 16px 36px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.hero__cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out-expo);
    z-index: -1;
}

.hero__cta:hover {
    color: var(--black);
    border-color: var(--gold);
}

.hero__cta:hover::before {
    transform: scaleX(1);
}

.hero__cta-icon {
    width: 18px;
    height: 18px;
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 40px;
    right: var(--container-padding);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 2;
}

.hero__scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

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

.hero__scroll span {
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    color: var(--white-30);
    writing-mode: vertical-rl;
}

/* Depth indicator */
.hero__depth {
    position: absolute;
    top: 50%;
    right: var(--container-padding);
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.hero__depth-label {
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: var(--white-30);
    writing-mode: vertical-rl;
}

.hero__depth-value {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gold);
}

/* ================================================
   SERVICES
   ================================================ */
.services {
    background: var(--dark);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--white-08), transparent);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
}

.service-card {
    background: var(--dark-card);
    padding: clamp(32px, 3vw, 48px);
    position: relative;
    overflow: hidden;
    transition: all 0.5s var(--ease-out-expo);
    cursor: default;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--copper));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease-out-expo);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    background: var(--dark-elevated);
    transform: translateY(-4px);
}

.service-card__number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--white-04);
    position: absolute;
    top: 16px;
    right: 20px;
    line-height: 1;
    transition: color var(--transition-base);
}

.service-card:hover .service-card__number {
    color: var(--white-08);
}

.service-card__icon {
    width: 40px;
    height: 40px;
    color: var(--gold);
    margin-bottom: 24px;
    transition: transform var(--transition-base);
}

.service-card:hover .service-card__icon {
    transform: scale(1.1);
}

.service-card__icon svg {
    width: 100%;
    height: 100%;
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 14px;
}

.service-card__desc {
    font-size: 0.9rem;
    color: var(--white-50);
    line-height: 1.65;
}

.service-card__line {
    width: 30px;
    height: 1px;
    background: var(--gold-dim);
    margin-top: 24px;
    transition: width var(--transition-base);
}

.service-card:hover .service-card__line {
    width: 60px;
}

/* ================================================
   ABOUT
   ================================================ */
.about {
    background: var(--black);
    overflow: hidden;
}

.about__bg-texture {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(15, 43, 60, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(200, 164, 78, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
}

.about__content .section__tag {
    display: block;
    text-align: left;
    margin-bottom: 20px;
}

.about__content .section__title {
    text-align: left;
    margin-bottom: 32px;
}

.about__text {
    font-size: 1rem;
    color: var(--white-50);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 48px;
    padding-top: 40px;
    border-top: var(--border-subtle);
}

.about__stat {
    position: relative;
}

.about__stat-number {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 3.5vw, 3rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    display: inline;
}

.about__stat-plus {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2vw, 2rem);
    font-weight: 600;
    color: var(--gold);
}

.about__stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--white-50);
    margin-top: 8px;
    letter-spacing: 0.05em;
}

/* About visual */
.about__visual {
    position: relative;
}

.about__image-frame {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
}

.about__image-inner {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.about__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s var(--ease-out-expo);
}

.about__image-frame:hover .about__image {
    transform: scale(1.05);
}

.about__image-border {
    position: absolute;
    inset: -12px;
    border: 1px solid var(--gold-dim);
    pointer-events: none;
    z-index: -1;
    opacity: 0.4;
}

.about__quote {
    margin-top: 32px;
    padding: 24px;
    border-left: 2px solid var(--gold);
    position: relative;
}

.about__quote-mark {
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--gold);
    line-height: 0.5;
    display: block;
    margin-bottom: 12px;
    opacity: 0.4;
}

.about__quote p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--white-70);
    line-height: 1.6;
}

/* ================================================
   INDUSTRIES
   ================================================ */
.industries {
    background: var(--dark);
    position: relative;
}

.industries::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--white-08), transparent);
}

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

.industry-card {
    position: relative;
    padding: clamp(28px, 3vw, 40px);
    background: var(--dark-card);
    border: var(--border-subtle);
    overflow: hidden;
    transition: all 0.5s var(--ease-out-expo);
    cursor: default;
}

.industry-card__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--ocean-deep), transparent);
    opacity: 0;
    transition: opacity 0.5s var(--ease-out-expo);
}

.industry-card:hover .industry-card__bg {
    opacity: 1;
}

.industry-card:hover {
    border-color: var(--gold-dim);
    transform: translateY(-4px);
}

.industry-card__content {
    position: relative;
    z-index: 1;
}

.industry-card__icon-wrap {
    width: 48px;
    height: 48px;
    color: var(--gold);
    margin-bottom: 20px;
    transition: transform var(--transition-base);
}

.industry-card:hover .industry-card__icon-wrap {
    transform: scale(1.1);
}

.industry-card__icon-wrap svg {
    width: 100%;
    height: 100%;
}

.industry-card__title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

.industry-card__desc {
    font-size: 0.88rem;
    color: var(--white-50);
    line-height: 1.6;
}

/* ================================================
   PROJECTS
   ================================================ */
.projects {
    background: var(--black);
    position: relative;
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card {
    position: relative;
    overflow: hidden;
    cursor: default;
}

.project-card__inner {
    position: relative;
    padding: clamp(32px, 4vw, 56px);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: var(--dark-card);
    border: var(--border-subtle);
    overflow: hidden;
    transition: all 0.5s var(--ease-out-expo);
}

.project-card__inner:hover {
    border-color: var(--gold-dim);
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--ocean-deep) 0%,
        rgba(15, 43, 60, 0.3) 100%
    );
    opacity: 0.5;
    transition: opacity 0.5s var(--ease-out-expo);
}

.project-card__inner:hover .project-card__overlay {
    opacity: 0.8;
}

.project-card__content {
    position: relative;
    z-index: 1;
}

.project-card__category {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--gold);
    margin-bottom: 14px;
    display: block;
}

.project-card__title {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 12px;
    line-height: 1.3;
}

.project-card__desc {
    font-size: 0.9rem;
    color: var(--white-50);
    line-height: 1.6;
    margin-bottom: 18px;
}

.project-card__meta {
    display: flex;
    gap: 24px;
    font-size: 0.78rem;
    color: var(--white-30);
    letter-spacing: 0.05em;
}

.project-card--large {
    grid-column: span 1;
}

.project-card--large .project-card__inner {
    min-height: 380px;
}

/* ================================================
   SAFETY
   ================================================ */
.safety {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.safety::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--white-08), transparent);
}

.safety::after {
    content: '';
    position: absolute;
    bottom: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200,164,78,0.04) 0%, transparent 70%);
    pointer-events: none;
}

.safety__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: start;
}

.safety__content .section__tag {
    display: block;
    text-align: left;
    margin-bottom: 20px;
}

.safety__content .section__title {
    text-align: left;
    margin-bottom: 24px;
}

.safety__text {
    font-size: 1rem;
    color: var(--white-50);
    line-height: 1.8;
}

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

.safety-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--dark-card);
    border: var(--border-subtle);
    transition: all 0.4s var(--ease-out-expo);
}

.safety-item:hover {
    border-color: var(--gold-dim);
    background: var(--dark-elevated);
}

.safety-item__icon {
    width: 36px;
    height: 36px;
    color: var(--gold);
    flex-shrink: 0;
}

.safety-item__icon svg {
    width: 100%;
    height: 100%;
}

.safety-item__content h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.safety-item__content p {
    font-size: 0.85rem;
    color: var(--white-50);
    line-height: 1.5;
}

/* ================================================
   CONTACT
   ================================================ */
.contact {
    background: var(--black);
    position: relative;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: start;
}

.contact__info-card {
    padding: 40px;
    background: var(--dark-card);
    border: var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact__info-label {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    display: block;
    margin-bottom: 6px;
}

.contact__info-value {
    font-size: 1.05rem;
    color: var(--white-70);
    transition: color var(--transition-base);
    display: block;
}

a.contact__info-value:hover {
    color: var(--white);
}

.contact__info-value--accent {
    color: var(--gold);
    font-weight: 500;
}

.contact__availability {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--white-50);
}

.contact__availability-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

/* Contact Form */
.contact__form {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.form__group {
    position: relative;
}

.form__group--full {
    width: 100%;
}

.form__input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--white-15);
    padding: 16px 0 12px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--white);
    outline: none;
    transition: border-color var(--transition-base);
}

.form__input:focus {
    border-color: var(--gold);
}

.form__label {
    position: absolute;
    left: 0;
    top: 16px;
    font-size: 0.9rem;
    color: var(--white-30);
    pointer-events: none;
    transition: all 0.3s var(--ease-out-expo);
}

.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label {
    top: -6px;
    font-size: 0.7rem;
    color: var(--gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.form__line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.5s var(--ease-out-expo);
}

.form__input:focus ~ .form__line {
    width: 100%;
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 18px 48px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--gold);
    border: 1px solid var(--gold);
    cursor: pointer;
    transition: all var(--transition-base);
    align-self: flex-start;
    position: relative;
    overflow: hidden;
}

.form__submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gold-light);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out-expo);
    z-index: 0;
}

.form__submit:hover::before {
    transform: scaleX(1);
}

.form__submit span,
.form__submit-icon {
    position: relative;
    z-index: 1;
}

.form__submit-icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.form__submit:hover .form__submit-icon {
    transform: translateX(4px);
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
    background: var(--dark);
    border-top: var(--border-subtle);
    padding: 60px 0 0;
}

.footer__top {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 60px;
    padding-bottom: 48px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.footer__logo-icon {
    width: 40px;
    height: 40px;
    color: var(--gold);
}

.footer__logo-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.15em;
    display: block;
    line-height: 1.2;
}

.footer__logo-sub {
    font-size: 0.5rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    display: block;
}

.footer__desc {
    font-size: 0.9rem;
    color: var(--white-50);
    line-height: 1.7;
    max-width: 360px;
}

.footer__nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer__col-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.footer__link {
    display: block;
    font-size: 0.88rem;
    color: var(--white-50);
    padding: 6px 0;
    transition: color var(--transition-base);
}

.footer__link:hover {
    color: var(--gold);
}

.footer__link--accent {
    color: var(--gold);
}

.footer__bottom {
    border-top: var(--border-subtle);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--white-30);
}

.footer__bottom-links {
    display: flex;
    gap: 24px;
}

.footer__bottom-links a {
    color: var(--white-30);
    transition: color var(--transition-base);
}

.footer__bottom-links a:hover {
    color: var(--white-70);
}

/* ================================================
   ANIMATIONS
   ================================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate].is-visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ================================================
   RESPONSIVE — TABLET
   ================================================ */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .industries__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about__visual {
        order: -1;
    }

    .about__image-frame {
        aspect-ratio: 16 / 9;
    }

    .safety__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer__top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ================================================
   RESPONSIVE — MOBILE
   ================================================ */
@media (max-width: 768px) {
    .nav__links {
        display: none;
    }

    .nav__burger {
        display: flex;
    }

    .hero {
        align-items: flex-end;
    }

    .hero__img {
        object-position: center center;
    }

    .hero__overlay {
        background:
            linear-gradient(180deg,
                rgba(10,10,10,0.2) 0%,
                rgba(10,10,10,0.1) 20%,
                rgba(10,10,10,0.5) 50%,
                rgba(10,10,10,0.9) 80%,
                var(--black) 100%
            );
    }

    .hero__content {
        padding-bottom: 48px;
    }

    .hero__scroll,
    .hero__depth {
        display: none;
    }

    .hide-mobile {
        display: none;
    }

    .services__grid {
        grid-template-columns: 1fr;
        gap: 1px;
    }

    .industries__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .projects__grid {
        grid-template-columns: 1fr;
    }

    .project-card--large {
        grid-column: span 1;
    }

    .project-card--large .project-card__inner {
        min-height: 280px;
    }

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

    .footer__nav {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* ================================================
   RESPONSIVE — SMALL MOBILE
   ================================================ */
@media (max-width: 480px) {
    .about__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .contact__info-card {
        padding: 24px;
    }

    .form__submit {
        width: 100%;
        justify-content: center;
    }
}

/* ================================================
   PREFERS REDUCED MOTION
   ================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
    }
}

/* ================================================
   GLASSMORPHISM EFFECTS
   ================================================ */
.glass {
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.06);
}

/* ================================================
   SELECTION
   ================================================ */
::selection {
    background: var(--gold);
    color: var(--black);
}

::-moz-selection {
    background: var(--gold);
    color: var(--black);
}

/* ================================================
   SCROLLBAR
   ================================================ */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--black);
}

::-webkit-scrollbar-thumb {
    background: var(--white-15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--white-30);
}