/* ============================================================
   DR. DIMITROV — CINEMATIC DENTAL WEBSITE
   Design System + Full Stylesheet
   ============================================================ */

/* ── CSS Custom Properties ──────────────────────────────── */
:root {
    /* Colors — Deep Luxury Palette */
    --black:        #050505;
    --black-rich:   #0a0a0a;
    --charcoal:     #111111;
    --charcoal-mid: #1a1a1a;
    --charcoal-lt:  #222222;
    --silver-dark:  #333333;
    --silver:       #666666;
    --silver-light: #999999;
    --silver-pale:  #b0b0b0;
    --white-off:    #e8e8e8;
    --white:        #f5f5f5;
    --white-pure:   #ffffff;
    --accent:       #c0c6cf;
    --accent-light: #e0e4e8;
    --accent-dark:  #8e99a4;
    --accent-glow:  rgba(192, 198, 207, 0.18);
    --accent-glow2: rgba(192, 198, 207, 0.10);

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body:    'Inter', -apple-system, sans-serif;
    --font-nav:     'Manrope', 'Inter', sans-serif;

    /* Spacing (8px base) */
    --sp-1: 0.25rem;  /* 4 */
    --sp-2: 0.5rem;   /* 8 */
    --sp-3: 0.75rem;  /* 12 */
    --sp-4: 1rem;     /* 16 */
    --sp-5: 1.5rem;   /* 24 */
    --sp-6: 2rem;     /* 32 */
    --sp-7: 2.5rem;   /* 40 */
    --sp-8: 3rem;     /* 48 */
    --sp-9: 4rem;     /* 64 */
    --sp-10: 5rem;    /* 80 */
    --sp-11: 6rem;    /* 96 */
    --sp-12: 8rem;    /* 128 */
    --sp-13: 10rem;   /* 160 */

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 0.3s;
    --duration-med:  0.6s;
    --duration-slow: 1s;
    --duration-xslow: 1.4s;

    /* Layout */
    --nav-height: 80px;
    --container-max: 1320px;
    --container-padding: clamp(1.5rem, 4vw, 3rem);

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

html {
    font-size: 16px;
    scroll-behavior: auto; /* Lenis handles this */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html.lenis, html.lenis body {
    height: auto;
}

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

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--duration-fast) var(--ease-out-expo);
}

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

/* Selection */
::selection {
    background: var(--accent);
    color: var(--black);
}

/* ── Custom Cursor ──────────────────────────────────────── */
.cursor {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999;
    pointer-events: none;
    mix-blend-mode: difference;
}

@media (hover: hover) and (pointer: fine) {
    .cursor { display: block; }
    /* body { cursor: none; } */
}

.cursor__inner--dot {
    width: 8px;
    height: 10px;
    background: var(--white-pure);
    border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
    position: absolute;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, opacity 0.2s;
    filter: drop-shadow(0 0 3px rgba(192, 198, 207, 0.5));
}

.cursor__inner--circle {
    width: 40px;
    height: 40px;
    border: 1.5px solid rgba(192, 198, 207, 0.4);
    border-radius: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
    transition: width 0.4s var(--ease-out-expo),
                height 0.4s var(--ease-out-expo),
                border-color 0.3s,
                background 0.3s;
}

/* Crosshair lines inside circle for dental precision feel */
.cursor__inner--circle::before,
.cursor__inner--circle::after {
    content: '';
    position: absolute;
    background: rgba(192, 198, 207, 0.2);
    transition: opacity 0.3s;
}
.cursor__inner--circle::before {
    width: 1px;
    height: 10px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.cursor__inner--circle::after {
    width: 10px;
    height: 1px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

body.cursor-hover .cursor__inner--circle {
    width: 64px;
    height: 64px;
    border-color: var(--accent-light);
    background: rgba(192, 198, 207, 0.06);
}
body.cursor-hover .cursor__inner--circle::before,
body.cursor-hover .cursor__inner--circle::after {
    opacity: 0;
}

body.cursor-hover .cursor__inner--dot {
    width: 5px;
    height: 6px;
    opacity: 0.6;
}

/* ── Preloader ──────────────────────────────────────────── */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
}

.preloader__inner {
    text-align: center;
}

.preloader__logo-img {
    max-width: 200px;
    height: auto;
    margin-bottom: var(--sp-5);
    opacity: 0;
    transform: scale(0.85);
}

/* preloader text spans removed — using logo image */

.preloader__line {
    width: 60px;
    height: 1px;
    background: var(--silver-dark);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.preloader__line::after {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: var(--accent);
    animation: preloaderLine 1.2s var(--ease-in-out) infinite;
}

@keyframes preloaderLine {
    0%   { left: -100%; }
    50%  { left: 0; }
    100% { left: 100%; }
}

/* ── Navigation ─────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: background var(--duration-med) var(--ease-out-expo),
                backdrop-filter var(--duration-med) var(--ease-out-expo),
                box-shadow var(--duration-med) var(--ease-out-expo);
}

.nav--scrolled {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(255,255,255,0.04);
}

.nav__container {
    width: 100%;
    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: var(--sp-3);
}

.nav__logo-img {
    height: 28px;
    width: auto;
    transition: transform var(--duration-med) var(--ease-out-expo),
                opacity var(--duration-fast);
}

.nav__logo:hover .nav__logo-img {
    transform: scale(1.05);
    opacity: 0.9;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--sp-7);
}

.nav__link {
    font-family: var(--font-nav);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--silver-light);
    position: relative;
    padding: var(--sp-2) 0;
    transition: color var(--duration-fast) var(--ease-out-expo);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width var(--duration-med) var(--ease-out-expo);
}

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

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

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 2px;
    background: transparent;
    border: 1px solid rgba(192, 198, 207, 0.25);
    border-radius: var(--radius-full);
    padding: 6px 14px;
    cursor: pointer;
    font-family: var(--font-nav);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    transition: border-color var(--duration-fast), background var(--duration-fast);
}

.lang-toggle:hover {
    border-color: var(--accent);
    background: rgba(192, 198, 207, 0.06);
}

.lang-toggle__active {
    color: var(--white);
}

.lang-toggle__sep {
    color: rgba(255,255,255,0.2);
    margin: 0 2px;
}

.lang-toggle__inactive {
    color: var(--silver-dark);
    transition: color var(--duration-fast);
}

.lang-toggle:hover .lang-toggle__inactive {
    color: var(--silver-light);
}

.nav__cta {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    font-family: var(--font-nav);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--black);
    background: var(--accent);
    padding: var(--sp-3) var(--sp-5);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.nav__cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-light), var(--accent-dark));
    opacity: 0;
    transition: opacity var(--duration-fast);
}

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

.nav__cta-text,
.nav__cta-icon {
    position: relative;
    z-index: 1;
}

.nav__cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 30px rgba(192, 198, 207, 0.25);
}

.nav__cta-icon {
    font-size: 0.7rem;
    transition: transform var(--duration-fast) var(--ease-out-expo);
}

.nav__cta:hover .nav__cta-icon {
    transform: translateX(3px);
}

/* Burger */
.nav__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    z-index: 1001;
}

.nav__burger span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--white);
    transition: all var(--duration-fast) var(--ease-out-expo);
    transform-origin: center;
}

.nav__burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(4.5px, 4.5px);
}

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

.nav__burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(5, 5, 5, 0.97);
    backdrop-filter: blur(40px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-med) var(--ease-out-expo);
}

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

.mobile-menu__inner {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
}

.mobile-menu__link {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 5vw, 3rem);
    color: var(--white-off);
    opacity: 0;
    transform: translateY(30px);
    transition: color var(--duration-fast);
}

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

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

.mobile-menu__cta {
    display: inline-block;
    font-family: var(--font-nav);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--black);
    background: var(--accent);
    padding: var(--sp-4) var(--sp-8);
    border-radius: var(--radius-full);
    margin-top: var(--sp-6);
    opacity: 0;
    transform: translateY(20px);
}

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

/* ── Hero Section ───────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--black);
}

.hero__video-wrap {
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* original .hero__video removed - see Dual Hero Video section */

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        linear-gradient(180deg,
            rgba(5,5,5,0.6) 0%,
            rgba(5,5,5,0.2) 40%,
            rgba(5,5,5,0.3) 70%,
            rgba(5,5,5,0.95) 100%),
        radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(5,5,5,0.4) 100%);
}

.hero__content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    padding: 0 var(--container-padding);
}

.hero__label {
    font-family: var(--font-nav);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--sp-6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-4);
    opacity: 0;
}

.hero__label::before,
.hero__label::after {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--accent);
    opacity: 0.4;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 6vw, 5rem);
    font-weight: 400;
    line-height: 1.12;
    color: var(--white);
    margin-bottom: var(--sp-6);
    letter-spacing: -0.02em;
}

.hero__title-line {
    display: block;
    overflow: hidden;
}

.hero__title-word {
    display: inline-block;
    transform: translateY(110%);
}

.hero__cycle-wrap {
    height: 1.5em;
    overflow: hidden;
    margin-bottom: var(--sp-8);
    position: relative;
}

.hero__cycle-text {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    font-weight: 300;
    color: var(--silver-pale);
    letter-spacing: 0.06em;
    position: absolute;
    width: 100%;
    left: 0;
    opacity: 0;
    transform: translateY(20px);
}

.hero__cycle-text.active {
    opacity: 1;
    transform: translateY(0);
}

.hero__ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-5);
    opacity: 0;
    transform: translateY(30px);
}

.hero__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    font-family: var(--font-nav);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: var(--sp-4) var(--sp-7);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.hero__btn--primary {
    background: var(--accent);
    color: var(--black);
}

.hero__btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
    opacity: 0;
    transition: opacity var(--duration-fast);
}

.hero__btn--primary:hover::before {
    opacity: 1;
}

.hero__btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(192, 198, 207, 0.35);
}

.hero__btn--secondary {
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--white);
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(10px);
}

.hero__btn--secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow2);
    transform: translateY(-2px);
}

.hero__btn span {
    position: relative;
    z-index: 1;
}

.hero__btn i {
    position: relative;
    z-index: 1;
    font-size: 0.75rem;
    transition: transform var(--duration-fast) var(--ease-out-expo);
}

.hero__btn:hover i {
    transform: translateX(3px);
}

.hero__scroll {
    position: absolute;
    bottom: var(--sp-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
    opacity: 0;
}

.hero__scroll-text {
    font-family: var(--font-nav);
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--silver);
}

.hero__scroll-line {
    width: 1px;
    height: 50px;
    background: var(--silver-dark);
    position: relative;
    overflow: hidden;
}

.hero__scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--accent);
    animation: scrollLine 2s var(--ease-in-out) infinite;
}

@keyframes scrollLine {
    0%   { top: -50%; }
    100% { top: 150%; }
}

/* ── Section Common ─────────────────────────────────────── */
.section {
    padding: var(--sp-13) 0;
    position: relative;
}

.section--dark {
    background: var(--black-rich);
}

.section--charcoal {
    background: var(--charcoal);
}

.section__label {
    font-family: var(--font-nav);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--sp-5);
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}

.section__label::before {
    content: '';
    width: 30px;
    height: 1px;
    background: var(--accent);
    opacity: 0.5;
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: var(--sp-5);
    letter-spacing: -0.01em;
}

.section__subtitle {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.2vw, 1.05rem);
    font-weight: 300;
    color: var(--silver-light);
    max-width: 600px;
    line-height: 1.7;
}

/* ── Services ───────────────────────────────────────────── */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
    margin-top: var(--sp-10);
}

.service-card {
    background: linear-gradient(145deg, var(--charcoal-mid), var(--charcoal));
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: var(--radius-lg);
    padding: var(--sp-8) var(--sp-7);
    position: relative;
    overflow: hidden;
    transition: all var(--duration-med) var(--ease-out-expo);
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, rgba(192,198,207,0), rgba(192,198,207,0.15), rgba(192,198,207,0));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--duration-med);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px var(--accent-glow);
    border-color: rgba(192,198,207,0.08);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--sp-6);
    transition: all var(--duration-med) var(--ease-out-expo);
}

.service-card:hover .service-card__icon {
    background: var(--accent);
    box-shadow: 0 8px 30px rgba(192, 198, 207, 0.3);
}

.service-card__icon i {
    font-size: 1.2rem;
    color: var(--accent);
    transition: color var(--duration-fast);
}

.service-card:hover .service-card__icon i {
    color: var(--black);
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: var(--sp-3);
}

.service-card__desc {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--silver-light);
    line-height: 1.65;
}

/* ── About Section ──────────────────────────────────────── */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-12);
    align-items: center;
    margin-top: var(--sp-10);
}

.about__image-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 3/4;
}

.about__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%) contrast(1.05);
    transition: filter var(--duration-slow) var(--ease-out-expo),
                transform var(--duration-slow) var(--ease-out-expo);
}

.about__image-wrap:hover .about__image {
    filter: grayscale(0%) contrast(1);
    transform: scale(1.03);
}

.about__image-badge {
    position: absolute;
    bottom: var(--sp-6);
    left: var(--sp-6);
    background: rgba(5,5,5,0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(192,198,207,0.2);
    border-radius: var(--radius-md);
    padding: var(--sp-4) var(--sp-5);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.about__badge-icon {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--black);
}

.about__badge-text {
    font-family: var(--font-nav);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--white);
    line-height: 1.4;
}

.about__badge-sub {
    display: block;
    font-weight: 400;
    color: var(--accent);
    font-size: 0.65rem;
}

.about__content {
    padding: var(--sp-6) 0;
}

.about__text {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--silver-pale);
    line-height: 1.8;
    margin-bottom: var(--sp-6);
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
    margin-top: var(--sp-8);
    padding-top: var(--sp-8);
    border-top: 1px solid rgba(255,255,255,0.06);
}

.about__stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3vw, 2.8rem);
    font-weight: 400;
    color: var(--accent);
    line-height: 1;
    margin-bottom: var(--sp-2);
}

.about__stat-label {
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--silver);
    letter-spacing: 0.02em;
}

/* ── Reviews Carousel ───────────────────────────────────── */
.reviews {
    overflow: hidden;
}

.reviews__header {
    margin-bottom: var(--sp-10);
}

.reviews__rating-bar {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
    margin-top: var(--sp-6);
}

.reviews__rating-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 400;
    color: var(--white);
    line-height: 1;
}

.reviews__rating-stars {
    color: var(--accent);
    font-size: 1rem;
    display: flex;
    gap: 3px;
}

.reviews__rating-count {
    font-size: 0.85rem;
    color: var(--silver);
    margin-top: var(--sp-1);
}

.reviews__track-wrap {
    position: relative;
    overflow: hidden;
    overflow-x: auto;
    padding: var(--sp-6) 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.reviews__track-wrap::-webkit-scrollbar {
    display: none;
}

.reviews__track-wrap::before,
.reviews__track-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.reviews__track-wrap::before {
    left: 0;
    background: linear-gradient(90deg, var(--black-rich), transparent);
}

.reviews__track-wrap::after {
    right: 0;
    background: linear-gradient(-90deg, var(--black-rich), transparent);
}

.reviews__track {
    display: flex;
    gap: var(--sp-6);
    animation: reviewScroll 60s linear infinite;
    width: max-content;
}

.reviews__track:hover {
    animation-play-state: paused;
}

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

.review-card {
    flex: 0 0 380px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    padding: var(--sp-7);
    backdrop-filter: blur(10px);
    transition: all var(--duration-fast) var(--ease-out-expo);
}

.review-card:hover {
    border-color: rgba(192,198,207,0.15);
    background: rgba(255,255,255,0.05);
    transform: translateY(-4px);
}

.review-card__stars {
    color: var(--accent);
    font-size: 0.85rem;
    margin-bottom: var(--sp-5);
    display: flex;
    gap: 2px;
}

.review-card__text {
    font-size: 0.92rem;
    font-weight: 300;
    color: var(--silver-pale);
    line-height: 1.7;
    margin-bottom: var(--sp-5);
    font-style: italic;
}

.review-card__author {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.review-card__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-nav);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
}

.review-card__name {
    font-family: var(--font-nav);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--white);
}

.review-card__source {
    font-size: 0.7rem;
    color: var(--silver);
}

/* ── Gallery (Masonry) ──────────────────────────────────── */
.gallery__grid {
    columns: 3;
    column-gap: var(--sp-5);
    margin-top: var(--sp-10);
}

.gallery__item {
    break-inside: avoid;
    margin-bottom: var(--sp-5);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.gallery__item img {
    width: 100%;
    display: block;
    transition: transform var(--duration-slow) var(--ease-out-expo),
                filter var(--duration-slow) var(--ease-out-expo);
    filter: brightness(0.85) contrast(1.05);
}

.gallery__item:hover img {
    transform: scale(1.05);
    filter: brightness(1) contrast(1);
}

.gallery__item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(5,5,5,0.5) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-fast);
}

.gallery__item:hover::after {
    opacity: 1;
}

.gallery__item-overlay {
    position: absolute;
    bottom: var(--sp-5);
    left: var(--sp-5);
    z-index: 2;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--duration-fast) var(--ease-out-expo);
}

.gallery__item:hover .gallery__item-overlay {
    opacity: 1;
    transform: translateY(0);
}

.gallery__item-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.8rem;
}

/* Gallery Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10001;
    background: rgba(0,0,0,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-med) var(--ease-out-expo);
    cursor: pointer;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    transform: scale(0.9);
    transition: transform var(--duration-med) var(--ease-out-expo);
}

.lightbox.active .lightbox__img {
    transform: scale(1);
}

.lightbox__close {
    position: absolute;
    top: var(--sp-6);
    right: var(--sp-6);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--white);
    transition: background var(--duration-fast);
    cursor: pointer;
}

.lightbox__close:hover {
    background: rgba(255,255,255,0.2);
}

/* ── Before/After Slider ────────────────────────────────── */
.cases__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-8);
    margin-top: var(--sp-10);
}

.ba-slider {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: col-resize;
    user-select: none;
}

.ba-slider__before,
.ba-slider__after {
    position: absolute;
    inset: 0;
}

.ba-slider__before img,
.ba-slider__after img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ba-slider__before {
    z-index: 2;
    clip-path: inset(0 50% 0 0);
}

.ba-slider__handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: var(--white-pure);
    z-index: 3;
    transform: translateX(-50%);
    pointer-events: none;
}

.ba-slider__handle::after {
    content: '⟺';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--white-pure);
    color: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    pointer-events: auto;
}

.ba-slider__label {
    position: absolute;
    bottom: var(--sp-4);
    z-index: 4;
    font-family: var(--font-nav);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--white);
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--radius-full);
}

.ba-slider__label--before { left: var(--sp-4); }
.ba-slider__label--after  { right: var(--sp-4); }

/* ── Contact Section ────────────────────────────────────── */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-10);
    margin-top: var(--sp-10);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--sp-8);
}

.contact__item {
    display: flex;
    gap: var(--sp-5);
}

.contact__item-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent);
    transition: all var(--duration-fast) var(--ease-out-expo);
}

.contact__item:hover .contact__item-icon {
    background: var(--accent);
    color: var(--black);
    box-shadow: 0 8px 30px rgba(192, 198, 207, 0.25);
}

.contact__item-title {
    font-family: var(--font-nav);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--silver);
    margin-bottom: var(--sp-2);
}

.contact__item-value {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--white);
    line-height: 1.5;
}

.contact__item-value a {
    color: var(--white);
    transition: color var(--duration-fast);
}

.contact__item-value a:hover {
    color: var(--accent);
}

.contact__ctas {
    display: flex;
    gap: var(--sp-4);
    margin-top: var(--sp-8);
}

.contact__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    font-family: var(--font-nav);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: var(--sp-4) var(--sp-7);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out-expo);
}

.contact__btn--primary {
    background: var(--accent);
    color: var(--black);
}

.contact__btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(192, 198, 207, 0.3);
}

.contact__btn--secondary {
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--white);
}

.contact__btn--secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.contact__map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    min-height: 400px;
}

.contact__map iframe {
    width: 100%;
    height: 100%;
    min-height: 400px;
    border: none;
    filter: grayscale(80%) invert(92%) contrast(90%) brightness(0.8);
    transition: filter var(--duration-slow) var(--ease-out-expo);
}

.contact__map:hover iframe {
    filter: grayscale(40%) invert(92%) contrast(95%) brightness(0.9);
}

/* ── Experience / Why Us ────────────────────────────────── */
.experience__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-6);
    margin-top: var(--sp-10);
}

.exp-card {
    text-align: center;
    padding: var(--sp-8) var(--sp-5);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    transition: all var(--duration-med) var(--ease-out-expo);
}

.exp-card:hover {
    border-color: rgba(192,198,207,0.1);
    background: rgba(192,198,207,0.03);
    transform: translateY(-6px);
}

.exp-card__icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: var(--sp-5);
}

.exp-card__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: var(--sp-3);
}

.exp-card__desc {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--silver-light);
    line-height: 1.6;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
    background: var(--black);
    border-top: 1px solid rgba(255,255,255,0.04);
}

.footer__top {
    padding: var(--sp-12) 0 var(--sp-10);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--sp-10);
}

.footer__logo-img {
    max-width: 160px;
    height: auto;
    margin-bottom: var(--sp-5);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.footer__brand-desc {
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--silver);
    line-height: 1.7;
    max-width: 280px;
}

.footer__heading {
    font-family: var(--font-nav);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--silver);
    margin-bottom: var(--sp-6);
}

.footer__link {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--silver-light);
    margin-bottom: var(--sp-3);
    transition: color var(--duration-fast), transform var(--duration-fast);
}

.footer__link:hover {
    color: var(--accent);
    transform: translateX(3px);
}

.footer__link i {
    width: 16px;
    font-size: 0.75rem;
    color: var(--accent);
    opacity: 0.6;
}

.footer__text {
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--silver-light);
    margin-bottom: var(--sp-2);
}

.footer__text--accent {
    color: var(--white);
    font-weight: 500;
}

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.04);
    padding: var(--sp-6) 0;
}

.footer__bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__copy {
    font-size: 0.78rem;
    color: var(--silver);
}

.footer__location {
    font-size: 0.78rem;
    color: var(--silver);
}

/* ── Divider ────────────────────────────────────────────── */
.section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(192,198,207,0.15), transparent);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .experience__grid { grid-template-columns: repeat(2, 1fr); }
    .about__grid { gap: var(--sp-8); }
    .cases__grid { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav__links,
    .nav__actions { display: none; }
    .nav__burger { display: flex; }

    .hero__title { font-size: clamp(2rem, 7vw, 3rem); }
    .hero__ctas { flex-direction: column; gap: var(--sp-3); }
    .hero__btn { width: 100%; justify-content: center; }

    .section { padding: var(--sp-11) 0; }

    .services__grid { grid-template-columns: 1fr; }
    .about__grid { grid-template-columns: 1fr; }
    .about__image-wrap { max-height: 400px; }
    .about__stats { grid-template-columns: repeat(3, 1fr); }
    .experience__grid { grid-template-columns: 1fr; }
    .contact__grid { grid-template-columns: 1fr; }
    .contact__ctas { flex-direction: column; }
    .contact__btn { justify-content: center; width: 100%; }
    .gallery__grid { columns: 2; }
    .footer__grid { grid-template-columns: 1fr; gap: var(--sp-8); }
    .footer__bottom-inner { flex-direction: column; gap: var(--sp-3); text-align: center; }
    .review-card { flex: 0 0 300px; }
}

@media (max-width: 480px) {
    .gallery__grid { columns: 1; }
    .about__stats { grid-template-columns: 1fr; text-align: center; }
}


/* ── Theme Toggle ──────────────────────────────────────────── */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid rgba(192, 198, 207, 0.25);
    border-radius: 50%;
    cursor: pointer;
    transition: border-color var(--duration-fast), background var(--duration-fast);
    position: relative;
    color: var(--silver-light);
    font-size: 0.85rem;
}

.theme-toggle:hover {
    border-color: var(--accent);
    background: rgba(192, 198, 207, 0.06);
    color: var(--white);
}

[data-theme="dark"] .theme-toggle__icon--light { display: inline-block; }
[data-theme="dark"] .theme-toggle__icon--dark  { display: none; }
[data-theme="light"] .theme-toggle__icon--light { display: none; }
[data-theme="light"] .theme-toggle__icon--dark  { display: inline-block; }

/* Nav actions layout */
.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

/* ── Awards Row (About Section) ───────────────────────────── */
.about__awards {
    margin-top: var(--sp-6);
    margin-bottom: var(--sp-2);
}

.about__awards-title {
    font-family: var(--font-nav);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--sp-4);
}

.about__awards-row {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
    flex-wrap: wrap;
}

.about__award-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    filter: brightness(0.9) contrast(1.1);
    transition: filter var(--duration-fast), transform var(--duration-fast);
}

.about__award-img:hover {
    filter: brightness(1.1) contrast(1);
    transform: scale(1.08);
}

/* ── Dual Hero Video ──────────────────────────────────────── */
.hero__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1.08);
    filter: brightness(0.7) contrast(1.1);
    transition: opacity 1.5s ease-in-out;
}

.hero__video--active {
    opacity: 0.45;
}

/* ── Draggable Carousel ───────────────────────────────────── */
.reviews__track-wrap {
    cursor: grab;
}

.reviews__track-wrap.is-dragging {
    cursor: grabbing;
}

.reviews__track-wrap.is-dragging .reviews__track {
    animation-play-state: paused !important;
}

/* ── Light Theme ──────────────────────────────────────────── */
[data-theme="light"] {
    --black:        #ffffff;
    --black-rich:   #f8f8f8;
    --charcoal:     #f0f0f0;
    --charcoal-mid: #e8e8e8;
    --charcoal-lt:  #e0e0e0;
    --silver-dark:  #cccccc;
    --silver:       #888888;
    --silver-light: #555555;
    --silver-pale:  #444444;
    --white-off:    #222222;
    --white:        #111111;
    --white-pure:   #000000;
    --accent:       #4a6274;
    --accent-light: #5d7a8f;
    --accent-dark:  #3a4f5e;
    --accent-glow:  rgba(74, 98, 116, 0.15);
    --accent-glow2: rgba(74, 98, 116, 0.08);
}

[data-theme="light"] body {
    background: #f5f5f5;
    color: #222;
}

[data-theme="light"] .nav--scrolled {
    background: rgba(245, 245, 245, 0.92);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

[data-theme="light"] .hero {
    background: #eee;
}

[data-theme="light"] .hero__overlay {
    background:
        linear-gradient(180deg,
            rgba(245,245,245,0.5) 0%,
            rgba(245,245,245,0.1) 40%,
            rgba(245,245,245,0.2) 70%,
            rgba(245,245,245,0.9) 100%),
        radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(245,245,245,0.3) 100%);
}

[data-theme="light"] .hero__video--active {
    opacity: 0.6;
    filter: brightness(1.1) contrast(0.95);
}

[data-theme="light"] .section--dark {
    background: #e8e8e8;
}

[data-theme="light"] .section--charcoal {
    background: #ececec;
}

[data-theme="light"] .section-divider {
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.08), transparent);
}

[data-theme="light"] .service-card {
    background: rgba(255,255,255,0.8);
    border-color: rgba(0,0,0,0.06);
}

[data-theme="light"] .service-card:hover {
    border-color: var(--accent);
    background: rgba(255,255,255,1);
}

[data-theme="light"] .exp-card {
    background: rgba(255,255,255,0.6);
    border-color: rgba(0,0,0,0.06);
}

[data-theme="light"] .review-card {
    background: rgba(255,255,255,0.9);
    border-color: rgba(0,0,0,0.06);
}

[data-theme="light"] .about__image-badge {
    background: rgba(255,255,255,0.9);
    border-color: rgba(0,0,0,0.1);
}

[data-theme="light"] .about__badge-text {
    color: #222;
}

[data-theme="light"] .about__badge-sub {
    color: var(--accent);
}

[data-theme="light"] .about__stats {
    border-top-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .about__award-img {
    filter: brightness(1) contrast(1);
}

[data-theme="light"] .gallery__item img {
    filter: none;
}

[data-theme="light"] .ba-slider__label {
    background: rgba(255,255,255,0.85);
    color: #222;
}

[data-theme="light"] .contact__item a {
    color: #444;
}

[data-theme="light"] .contact__item a:hover {
    color: var(--accent);
}

[data-theme="light"] .contact__btn--primary {
    background: var(--accent);
    color: #fff;
}

[data-theme="light"] .contact__btn--secondary {
    border-color: var(--accent);
    color: var(--accent);
}

[data-theme="light"] .nav__logo-img {
    filter: invert(1);
}

[data-theme="light"] .nav__link {
    color: #666;
}

[data-theme="light"] .nav__link:hover,
[data-theme="light"] .nav__link.active {
    color: #111;
}

[data-theme="light"] .lang-toggle {
    border-color: rgba(0,0,0,0.15);
    color: #666;
}

[data-theme="light"] .lang-toggle__active {
    color: #111;
}

[data-theme="light"] .lang-toggle:hover {
    border-color: var(--accent);
}

[data-theme="light"] .theme-toggle {
    border-color: rgba(0,0,0,0.15);
    color: #666;
}

[data-theme="light"] .theme-toggle:hover {
    border-color: var(--accent);
    color: #111;
}

[data-theme="light"] .nav__cta {
    color: #fff;
}

[data-theme="light"] .hero__scroll-text {
    color: #888;
}

[data-theme="light"] .hero__scroll-line {
    background: rgba(0,0,0,0.15);
}

[data-theme="light"] .hero__scroll-line::after {
    background: var(--accent);
}

[data-theme="light"] .footer {
    background: #e0e0e0;
    border-top: 1px solid rgba(0,0,0,0.06);
}

[data-theme="light"] .footer__bottom {
    border-top-color: rgba(0,0,0,0.06);
}

[data-theme="light"] .lightbox {
    background: rgba(255,255,255,0.95);
}

[data-theme="light"] .preloader {
    background: #f5f5f5;
}

[data-theme="light"] .preloader__text {
    color: #222;
}

[data-theme="light"] .reviews__rating-stars i {
    color: #d4a017;
}

[data-theme="light"] .review-card__stars i {
    color: #d4a017;
}

[data-theme="light"] .review-card__text {
    color: #444;
}

[data-theme="light"] .review-card__avatar {
    background: var(--accent);
    color: #fff;
}

[data-theme="light"] .reviews__track-wrap::before {
    background: linear-gradient(90deg, #e8e8e8, transparent);
}

[data-theme="light"] .reviews__track-wrap::after {
    background: linear-gradient(-90deg, #e8e8e8, transparent);
}

/* ── Utility Classes ────────────────────────────────────── */
.text-accent { color: var(--accent); }
.text-white { color: var(--white); }
.text-silver { color: var(--silver-light); }
.opacity-0 { opacity: 0; }
.translate-y-up { transform: translateY(40px); }

/* Reveal animation classes (GSAP will add/remove) */
/* Reveal initial states handled by GSAP gsap.set() — no CSS opacity:0 to avoid conflicts */