/* ============================================
   OKAPI — Single Scroll Website
   Premium cinematic design system
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ----- Design Tokens ----- */
:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --bg-overlay: rgba(10, 10, 10, 0.85);

    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --text-dim: #444444;

    --accent: #2a2a2a;
    --accent-power: #ff3b3b;
    --accent-power-glow: rgba(255, 59, 59, 0.4);
    --border: #252525;
    --border-light: #333333;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    --font-weight-black: 900;

    --tracking-wide: 0.2em;
    --tracking-normal: 0.05em;

    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 32px;
    --space-lg: 64px;
    --space-xl: 120px;
    --space-xxl: 180px;

    /* Transitions */
    --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
    --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
    --duration-fast: 0.3s;
    --duration-normal: 0.6s;
    --duration-slow: 1.2s;
}

/* ----- Typography System ----- */
h1,
h2,
h3,
h4 {
    font-weight: var(--font-weight-light);
    letter-spacing: var(--tracking-wide);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
}

p {
    font-weight: var(--font-weight-light);
    color: var(--text-secondary);
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: opacity var(--duration-fast) var(--ease-smooth);
}

a:hover {
    opacity: 0.7;
}

/* ----- Buttons ----- */
button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 16px 48px;
    font-size: 0.85rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border: 1px solid transparent;
    transition: all var(--duration-fast) var(--ease-smooth);
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 14px 40px;
    font-size: 0.85rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border: 1px solid var(--border-light);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.btn-secondary:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* ----- Site Header Logo Image ----- */
.site-header__logo-img {
    height: 28px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: opacity var(--duration-fast) var(--ease-smooth);
    margin-right: var(--space-sm);
}

.site-header__text {
    font-size: 0.9rem;
    letter-spacing: var(--tracking-wide);
    font-weight: var(--font-weight-light);
    color: var(--text-primary);
}

.site-header__logo:hover .site-header__logo-img {
    opacity: 1;
}

/* ----- Logo Header (Fixed) ----- */
.logo-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-smooth);
}

.logo-header.visible {
    opacity: 1;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.logo-img {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.logo-text {
    font-size: 0.9rem;
    letter-spacing: var(--tracking-wide);
    font-weight: var(--font-weight-light);
    color: var(--text-secondary);
}

/* ----- Section Base ----- */
.section {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-xl) var(--space-md);
}

.section__content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
}

.section__texture {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 0%, var(--bg-primary) 70%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: -1;
}

/* ============================================
   SECTION 01 — PRESENCE (Landing)
   ============================================ */
.section--presence {
    background: linear-gradient(180deg, #0d0d0d 0%, #0a0a0a 50%, #080808 100%);
    overflow: hidden;
}

/* Video Background - Increased visibility for energy */
.presence__video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
    z-index: 0;
    opacity: 0.55;
    filter: grayscale(20%);
}

.presence__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg,
            rgba(10, 10, 10, 0.6) 0%,
            rgba(10, 10, 10, 0.2) 50%,
            rgba(10, 10, 10, 0.75) 100%);
    z-index: 1;
}

.section--presence .section__content {
    position: relative;
    z-index: 2;
}

.section--presence .section__texture {
    z-index: 3;
}

.presence__logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--space-sm);
    opacity: 0;
    transform: translateY(20px);
}

.presence__logo-img {
    height: clamp(50px, 10vw, 100px);
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.95;
    margin-bottom: var(--space-xs);
}

.presence__brand {
    font-size: clamp(1.5rem, 3.5vw, 2.4rem);
    letter-spacing: 0.4em;
    font-weight: var(--font-weight-light);
    color: var(--text-primary);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

/* Power Headline - MAXIMUM ATHLETIC IMPACT */
.presence__headline {
    font-size: clamp(3rem, 12vw, 7rem);
    font-weight: var(--font-weight-black);
    letter-spacing: -0.02em;
    line-height: 0.95;
    color: #ffffff;
    text-shadow:
        0 4px 40px rgba(0, 0, 0, 0.8),
        0 0 80px rgba(255, 59, 59, 0.15);
    margin: var(--space-sm) 0 var(--space-xs);
    opacity: 0;
    transform: translateY(30px);
    text-transform: uppercase;
}

.presence__tagline {
    font-size: clamp(0.85rem, 1.8vw, 1rem);
    font-style: normal;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(20px);
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
    margin-bottom: var(--space-md);
}

/* Hero CTA Buttons - HIGH CONVERSION */
.presence__cta-group {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-lg);
    opacity: 0;
    transform: translateY(20px);
}

.btn-hero {
    padding: 18px 48px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

/* Primary CTA - INTENSE RED POWER */
.btn-hero--primary {
    background: var(--accent-power);
    color: #ffffff;
    border: 2px solid var(--accent-power);
    box-shadow:
        0 4px 30px var(--accent-power-glow),
        0 0 60px rgba(255, 59, 59, 0.2);
}

.btn-hero--primary:hover {
    background: #ff5555;
    border-color: #ff5555;
    box-shadow:
        0 8px 40px rgba(255, 59, 59, 0.5),
        0 0 80px rgba(255, 59, 59, 0.3);
    transform: translateY(-3px) scale(1.02);
    opacity: 1;
}

.btn-hero--secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-hero--secondary:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    opacity: 1;
}

/* Scroll Indicator */
.presence__scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
    opacity: 0;
    animation: fadeInUp 1s ease 2s forwards, bounce 2s ease-in-out 3s infinite;
}

.scroll-hint__arrow {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.scroll-hint__text {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--text-dim);
    text-transform: uppercase;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Mobile Optimization for Hero - ATHLETIC MOBILE FIRST */
@media (max-width: 768px) {
    .presence__logo {
        margin-bottom: var(--space-xs);
    }

    .presence__logo-img {
        height: clamp(40px, 8vw, 60px);
    }

    .presence__brand {
        font-size: clamp(1.2rem, 3vw, 1.6rem);
    }

    .presence__headline {
        font-size: clamp(2.5rem, 14vw, 3.5rem);
        letter-spacing: -0.01em;
        line-height: 0.9;
        margin: var(--space-sm) 0;
    }

    .presence__tagline {
        font-size: 0.75rem;
        letter-spacing: 0.12em;
        margin-bottom: var(--space-sm);
    }

    .presence__cta-group {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        padding: 0 var(--space-sm);
        margin-top: var(--space-md);
    }

    .btn-hero {
        width: 100%;
        text-align: center;
        padding: 20px 32px;
        font-size: 0.8rem;
    }

    .btn-hero--primary {
        box-shadow:
            0 4px 20px var(--accent-power-glow),
            0 0 40px rgba(255, 59, 59, 0.15);
    }

    .presence__scroll-hint {
        bottom: 20px;
    }

    .scroll-hint__arrow {
        font-size: 1.2rem;
    }

    .scroll-hint__text {
        font-size: 0.6rem;
    }
}

/* ============================================
   SECTION 02 — BELIEF (Material Truth)
   ============================================ */
.section--belief {
    padding: 0;
    display: block;
    min-height: auto;
}

.belief__intro {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
}

.belief__headline {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-style: italic;
    color: var(--text-secondary);
    text-align: center;
    opacity: 0;
}

.belief__principles {
    display: flex;
    flex-direction: column;
}

.principle {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: var(--space-lg);
    gap: var(--space-lg);
}

.principle:nth-child(even) {
    direction: rtl;
}

.principle:nth-child(even)>* {
    direction: ltr;
}

.principle__visual {
    height: 60vh;
    position: relative;
    overflow: hidden;
}

.principle__image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.8) contrast(1.1);
    opacity: 0;
    transform: scale(1.05);
    transition: opacity var(--duration-slow) var(--ease-smooth),
        transform var(--duration-slow) var(--ease-smooth);
}

.principle__image--breath {
    background-image: url('../assets/texture-breath.png');
    background-size: cover;
    background-position: center;
}

.principle__image--flex {
    background-image: url('../assets/texture-flex.png');
    background-size: cover;
    background-position: center;
}

.principle__image--endure {
    background-image: url('../assets/texture-endure.png');
    background-size: cover;
    background-position: center;
}

.principle__content {
    padding: var(--space-lg);
    opacity: 0;
    transform: translateX(-30px);
}

.principle:nth-child(even) .principle__content {
    transform: translateX(30px);
}

.principle__title {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    letter-spacing: 0.3em;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.principle__description {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-muted);
    font-style: italic;
}

/* ============================================
   SECTION 03 — HUMAN PROOF
   ============================================ */
.section--proof {
    padding: var(--space-xxl) var(--space-md);
    min-height: auto;
}

.proof__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.proof__intro {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    opacity: 0;
}

.proof__gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    max-width: 1000px;
    margin: 0 auto;
}

.proof__item {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

.proof__image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.7) contrast(1.1);
    transition: transform var(--duration-slow) var(--ease-smooth);
}

.proof__image--morning {
    background: linear-gradient(180deg, #1a1a1a 0%, #141414 100%);
    background-image: radial-gradient(circle at 50% 80%, #2a2a2a 0%, transparent 60%);
}

.proof__image--afternoon {
    background: linear-gradient(180deg, #181818 0%, #121212 100%);
    background-image: radial-gradient(circle at 50% 50%, #252525 0%, transparent 50%);
}

.proof__image--evening {
    background: linear-gradient(180deg, #1c1c1c 0%, #0f0f0f 100%);
    background-image: radial-gradient(circle at 50% 30%, #282828 0%, transparent 60%);
}

.proof__caption {
    position: absolute;
    bottom: var(--space-md);
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateY(10px);
}

/* ============================================
   SECTION 04 — THE UNIFORM
   ============================================ */
.section--uniform {
    padding: var(--space-xxl) var(--space-md);
    min-height: auto;
    gap: var(--space-xl);
}

.uniform__header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.uniform__title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    letter-spacing: 0.3em;
    margin-bottom: var(--space-sm);
    opacity: 0;
}

.uniform__subtitle {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--text-muted);
    font-style: italic;
    opacity: 0;
}

.uniform__showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    width: 100%;
    max-width: 900px;
}

.uniform__models {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    width: 100%;
}

.uniform__model {
    aspect-ratio: 3/5;
    background: linear-gradient(180deg, #151515 0%, #0d0d0d 100%);
    background-image:
        radial-gradient(ellipse at 50% 30%, rgba(50, 50, 50, 0.3) 0%, transparent 70%),
        linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
}

.uniform__bands {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    width: 100%;
    max-width: 500px;
}

.uniform__band {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
    opacity: 0;
    transform: translateX(-20px);
}

.band__label {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.band__description {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.uniform__properties {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    text-align: center;
    margin-top: var(--space-lg);
}

.property {
    opacity: 0;
    transform: translateY(20px);
}

.property__icon {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    display: block;
}

.property__title {
    font-size: 0.85rem;
    letter-spacing: var(--tracking-wide);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.property__description {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.uniform__gender {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.gender-btn {
    font-size: 0.85rem;
    letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
    padding: var(--space-xs) var(--space-sm);
    transition: color var(--duration-fast) var(--ease-smooth);
}

.gender-btn--active {
    color: var(--text-primary);
}

.gender-btn:hover {
    color: var(--text-secondary);
}

.gender-divider {
    color: var(--text-dim);
}

.uniform__cta-hint {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--text-muted);
    margin-top: var(--space-lg);
    opacity: 0;
}

/* ============================================
   SECTION 05 — THE COLLECTION
   ============================================ */
.section--collection {
    padding: var(--space-xxl) var(--space-md);
    min-height: auto;
}

.collection__header {
    text-align: center;
    margin-bottom: var(--space-md);
}

.collection__title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    letter-spacing: 0.3em;
    margin-bottom: var(--space-sm);
    opacity: 0;
}

.collection__subtitle {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--text-muted);
    font-style: italic;
    opacity: 0;
}

.collection__filters {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-xs);
    max-width: 1000px;
    margin: 0 auto var(--space-lg);
    padding-right: var(--space-sm);
}

.filter {
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--duration-fast) var(--ease-smooth);
}

.filter--active {
    color: var(--text-primary);
}

.filter:hover {
    color: var(--text-secondary);
}

.filter-divider {
    color: var(--text-dim);
    font-size: 0.8rem;
}

.filter-spacer {
    width: var(--space-md);
}

.collection__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.product-card {
    position: relative;
    background: var(--bg-secondary);
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: transform var(--duration-fast) var(--ease-smooth);
}

.product-card:hover {
    transform: translateY(-8px);
}

.product-card__image {
    aspect-ratio: 4/5;
    background-size: cover;
    background-position: center;
    transition: transform var(--duration-normal) var(--ease-smooth);
}

.product-card:hover .product-card__image {
    transform: scale(1.03);
}

.product-card__image--tee {
    background: linear-gradient(180deg, #1a1a1a 0%, #121212 100%);
    background-image:
        radial-gradient(ellipse at 50% 40%, rgba(60, 60, 60, 0.4) 0%, transparent 60%),
        linear-gradient(180deg, #181818 0%, #0f0f0f 100%);
}

.product-card__image--jogger {
    background: linear-gradient(180deg, #171717 0%, #101010 100%);
    background-image:
        radial-gradient(ellipse at 50% 50%, rgba(55, 55, 55, 0.35) 0%, transparent 55%),
        linear-gradient(180deg, #151515 0%, #0d0d0d 100%);
}

.product-card__image--shorts {
    background: linear-gradient(180deg, #1c1c1c 0%, #141414 100%);
    background-image:
        radial-gradient(ellipse at 50% 45%, rgba(65, 65, 65, 0.3) 0%, transparent 50%),
        linear-gradient(180deg, #1a1a1a 0%, #111111 100%);
}

.product-card__image--hoodie {
    background: linear-gradient(180deg, #181818 0%, #0f0f0f 100%);
    background-image:
        radial-gradient(ellipse at 50% 35%, rgba(50, 50, 50, 0.4) 0%, transparent 65%),
        linear-gradient(180deg, #161616 0%, #0c0c0c 100%);
}

.product-card__content {
    padding: var(--space-md);
}

.product-card__name {
    font-size: 1.1rem;
    font-weight: var(--font-weight-regular);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.product-card__purpose {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.product-card__price {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.product-card__link {
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* Product Card Badges */
.product-card__badges {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    display: flex;
    gap: 6px;
    z-index: 5;
}

.badge {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 4px 8px;
    border-radius: 2px;
    text-transform: uppercase;
}

.badge--tech {
    background: rgba(232, 232, 232, 0.15);
    color: var(--text-secondary);
}

.badge--feature {
    background: rgba(200, 180, 120, 0.2);
    color: #d4c07a;
}

/* Use Case Icons */
.product-card__usecases {
    display: flex;
    gap: 8px;
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
}

.product-card__usecases span {
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.product-card:hover .product-card__usecases span {
    opacity: 1;
}

/* Product Card CTA Button - CONVERSION FOCUSED */
.product-card__cta {
    display: inline-block;
    background: var(--accent-power);
    color: #ffffff;
    padding: 12px 24px;
    font-size: 0.7rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: 0 3px 15px var(--accent-power-glow);
}

.product-card__cta:hover {
    background: #ff5555;
    box-shadow: 0 6px 25px rgba(255, 59, 59, 0.5);
    transform: translateY(-2px);
    opacity: 1;
}

.product-card__hover-text {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    font-size: 0.75rem;
    font-style: italic;
    color: var(--text-muted);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.product-card:hover .product-card__hover-text {
    opacity: 1;
    transform: translateY(0);
}

/* Shop by Collection (subtle category links) */
.collection__categories {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.collection__categories-label {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: var(--space-md);
}

.collection__categories-links {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.collection__category-link {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: var(--space-xs) var(--space-sm);
    transition: color var(--duration-fast) var(--ease-smooth);
}

.collection__category-link:hover {
    color: var(--text-primary);
    opacity: 1;
}

.collection__category-divider {
    color: var(--text-dim);
    font-size: 0.6rem;
}

.collection__footer {
    text-align: center;
    margin-top: var(--space-xl);
}

.collection__philosophy {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    opacity: 0;
}

.collection__cta {
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: var(--tracking-wide);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-light);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.collection__cta:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

/* ============================================
   SECTION 06 — THE DETAILS
   ============================================ */
.section--details {
    padding: var(--space-xl) var(--space-md);
    min-height: auto;
}

.details__product {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    max-width: 1200px;
    width: 100%;
    align-items: start;
}

.details__image {
    aspect-ratio: 3/4;
    background: linear-gradient(180deg, #151515 0%, #0d0d0d 100%);
    background-image:
        radial-gradient(ellipse at 50% 35%, rgba(55, 55, 55, 0.4) 0%, transparent 60%),
        linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
    position: sticky;
    top: var(--space-lg);
    opacity: 0;
    transform: translateX(-30px);
}

.details__info {
    padding: var(--space-md) 0;
}

.details__name {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: var(--font-weight-light);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
    opacity: 0;
}

.details__purpose {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    opacity: 0;
}

.details__section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border);
    opacity: 0;
}

.details__section:last-of-type {
    border-bottom: none;
}

.details__section-title {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.details__list {
    list-style: none;
}

.details__list li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    padding-left: var(--space-sm);
    position: relative;
}

.details__list li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

.details__specs {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.spec {
    display: flex;
    gap: var(--space-sm);
}

.spec__label {
    font-size: 0.9rem;
    color: var(--text-muted);
    min-width: 80px;
}

.spec__value {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.details__fit-info {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.details__fit-advice {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.details__size-guide {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.details__purchase {
    margin-top: var(--space-lg);
    opacity: 0;
}

.details__price {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.size-selector {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.size-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-light);
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.size-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.size-btn--active {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.details__add-btn {
    width: 100%;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
    letter-spacing: var(--tracking-wide);
    border: 1px solid var(--border-light);
    margin-bottom: var(--space-md);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.details__add-btn:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.details__social-proof {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--text-muted);
}

.details__nav {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    width: 100%;
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.details__back,
.details__forward {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   SECTION 07 — LIMITED TIME COMBOS
   ============================================ */
.section--combos {
    padding: var(--space-xl) var(--space-md);
    min-height: auto;
}

.combos__header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.combos__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    letter-spacing: 0.2em;
    margin-bottom: var(--space-xs);
}

.combos__subtitle {
    font-size: 1rem;
    color: var(--text-muted);
}

.combos__hero {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto var(--space-xl);
    aspect-ratio: 16/7;
    border-radius: 4px;
    overflow: hidden;
}

.combos__hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            rgba(10, 10, 10, 0.3) 0%,
            rgba(10, 10, 10, 0.6) 100%);
}

.combos__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.combo-card {
    background: var(--bg-secondary);
    padding: var(--space-lg);
    position: relative;
    display: flex;
    flex-direction: column;
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--duration-normal) var(--ease-smooth);
}

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

.combo-card--featured {
    border-color: rgba(100, 149, 237, 0.3);
}

.combo-card--best {
    border-color: rgba(255, 200, 100, 0.3);
    background: linear-gradient(180deg, rgba(255, 200, 100, 0.05) 0%, var(--bg-secondary) 100%);
}

.combo-card__badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: rgba(100, 200, 130, 0.15);
    color: #7dd99a;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    font-weight: var(--font-weight-medium);
    padding: var(--space-xs) var(--space-sm);
    border-bottom-left-radius: 4px;
}

.combo-card__badge--best {
    background: rgba(255, 200, 100, 0.2);
    color: #ffc864;
}

.combo-card__name {
    font-size: 1.1rem;
    font-weight: var(--font-weight-regular);
    margin-bottom: var(--space-md);
    margin-top: var(--space-sm);
}

.combo-card__pricing {
    margin-bottom: var(--space-sm);
}

.combo-card__price {
    font-size: 1.4rem;
    color: var(--text-primary);
    display: block;
    margin-bottom: var(--space-xs);
}

.combo-card__original {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.combo-card__tag {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: var(--space-md);
    letter-spacing: 0.05em;
}

.combo-card__btn {
    width: 100%;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8rem;
    letter-spacing: var(--tracking-wide);
    border: 1px solid var(--border-light);
    transition: all var(--duration-fast) var(--ease-smooth);
    margin-top: auto;
}

.combo-card__btn:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.combos__footer {
    text-align: center;
    margin-top: var(--space-lg);
}

.combos__note {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.combos__nav {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    width: 100%;
    margin: var(--space-xl) auto 0;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.combos__back,
.combos__forward {
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .combos__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .combos__grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   SECTION 08 — CLOSURE
   ============================================ */
.section--closure {
    min-height: 100vh;
    background: linear-gradient(180deg, #0a0a0a 0%, #0d0d0d 50%, #111111 100%);
}

.closure__content {
    text-align: center;
}

.closure__logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-xl);
    opacity: 0;
}

.closure__logo-img {
    height: 60px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.closure__brand {
    font-size: 1.2rem;
    letter-spacing: 0.4em;
    color: var(--text-secondary);
    margin-top: var(--space-sm);
}

.closure__cta {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.85rem;
    letter-spacing: var(--tracking-wide);
    border: 1px solid var(--border-light);
    margin-bottom: var(--space-sm);
    transition: all var(--duration-fast) var(--ease-smooth);
    opacity: 0;
}

.closure__cta:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.closure__hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xxl);
    opacity: 0;
}

.closure__final {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    opacity: 0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .principle {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .principle:nth-child(even) {
        direction: ltr;
    }

    .principle__visual {
        height: 50vh;
    }

    .details__product,
    .set__content {
        grid-template-columns: 1fr;
    }

    .details__image {
        position: relative;
        top: 0;
        aspect-ratio: 4/3;
    }

    .set__visual {
        order: 1;
    }

    .set__info {
        order: 2;
    }

    .set__model {
        aspect-ratio: 4/3;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --space-xl: 80px;
        --space-xxl: 120px;
    }

    .logo-header {
        padding: var(--space-sm);
    }

    .proof__gallery {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .proof__item {
        aspect-ratio: 16/9;
    }

    .uniform__models {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .uniform__model {
        aspect-ratio: 16/9;
    }

    .uniform__properties {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

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

    .collection__filters {
        justify-content: center;
        flex-wrap: wrap;
    }

    .filter-spacer {
        width: 100%;
        height: var(--space-xs);
    }

    .principle__visual {
        height: 40vh;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --space-xl: 60px;
        --space-xxl: 80px;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .presence__brand {
        letter-spacing: 0.25em;
    }

    .uniform__gender {
        gap: var(--space-sm);
    }
}

/* ============================================
   SITE HEADER (Quiet, scroll-triggered)
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0;
    transform: translateY(-100%);
    transition: all var(--duration-normal) var(--ease-smooth);
    pointer-events: none;
}

.site-header.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
}

.site-header__icon {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.site-header__text {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    font-weight: var(--font-weight-light);
}

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

.site-header__explore {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid transparent;
    transition: all var(--duration-fast) var(--ease-smooth);
}

.site-header__explore:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.explore-arrow {
    font-size: 0.6rem;
    transition: transform var(--duration-fast) var(--ease-smooth);
}

.site-header__explore:hover .explore-arrow,
.site-header__explore.active .explore-arrow {
    transform: rotate(180deg);
}

.site-header__cart,
.site-header__account {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color var(--duration-fast) var(--ease-smooth);
}

.site-header__cart:hover,
.site-header__account:hover {
    color: var(--text-primary);
}

.cart-count {
    font-size: 0.65rem;
    background: var(--text-muted);
    color: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 10px;
}

/* Explore Panel */
.explore-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-lg) var(--space-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--duration-normal) var(--ease-smooth);
}

.explore-panel.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.explore-panel__content {
    display: flex;
    gap: var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

.explore-panel__column {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.explore-panel__heading {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-weight: var(--font-weight-regular);
    margin-bottom: var(--space-xs);
}

.explore-panel__link {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--duration-fast) var(--ease-smooth);
}

.explore-panel__link:hover {
    color: var(--text-primary);
    opacity: 1;
}

/* ============================================
   SITE FOOTER
   ============================================ */
.site-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: var(--space-xl) var(--space-md) var(--space-lg);
}

.site-footer__content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto var(--space-lg);
}

.site-footer__column {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.site-footer__heading {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-weight: var(--font-weight-regular);
    margin-bottom: var(--space-xs);
}

.site-footer__link {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: color var(--duration-fast) var(--ease-smooth);
}

.site-footer__link:hover {
    color: var(--text-secondary);
    opacity: 1;
}

.site-footer__bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.site-footer__copyright {
    font-size: 0.7rem;
    color: var(--text-dim);
}

/* Footer Responsive */
@media (max-width: 768px) {
    .site-footer__content {
        grid-template-columns: repeat(2, 1fr);
    }

    .explore-panel__content {
        flex-direction: column;
        gap: var(--space-md);
    }

    .site-header__nav {
        gap: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .site-footer__content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }

    .site-header {
        padding: var(--space-xs) var(--space-sm);
    }

    .site-header__text {
        display: none;
    }
}

/* Uniform Section Mobile Responsive */
@media (max-width: 768px) {
    .uniform__models {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
        max-width: 350px;
        margin: 0 auto;
    }

    .uniform__model {
        aspect-ratio: 4/5;
    }

    .uniform__model--side,
    .uniform__model--back {
        display: none;
    }

    .uniform__showcase {
        padding: 0 var(--space-sm);
    }

    .uniform__bands {
        max-width: 100%;
    }

    .uniform__properties {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .property {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        text-align: left;
    }

    .property__icon {
        margin-bottom: 0;
        font-size: 1.2rem;
    }

    /* Proof section mobile */
    .proof__gallery {
        grid-template-columns: 1fr;
        max-width: 300px;
    }

    /* Principle section mobile */
    .principle {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: var(--space-xl) var(--space-md);
    }

    .principle__visual {
        height: 40vh;
    }

    .principle:nth-child(even) {
        direction: ltr;
    }

    /* Collection grid mobile */
    .collection__grid {
        grid-template-columns: 1fr;
        max-width: 350px;
    }

    /* Details section mobile */
    .details__product {
        grid-template-columns: 1fr;
    }

    .details__image {
        position: relative;
        top: 0;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Logo Updates */
.site-header__logo-img {
    height: 24px;
    width: auto;
    margin-right: 8px;
    display: block;
}

.account-form__logo-img {
    height: 48px;
    width: auto;
    margin-bottom: var(--space-md);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   FLOATING CTA BAR
   ============================================ */
.floating-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.floating-cta.visible {
    transform: translateY(0);
}

.floating-cta__text {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.floating-cta__btn {
    background: var(--accent-power);
    color: #ffffff;
    padding: 14px 36px;
    font-size: 0.8rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow:
        0 4px 25px var(--accent-power-glow),
        0 0 50px rgba(255, 59, 59, 0.15);
}

.floating-cta__btn:hover {
    background: #ff5555;
    box-shadow:
        0 6px 35px rgba(255, 59, 59, 0.5),
        0 0 70px rgba(255, 59, 59, 0.25);
    transform: translateY(-2px);
    opacity: 1;
}

/* Mobile Floating CTA */
@media (max-width: 768px) {
    .floating-cta {
        padding: 12px 16px;
    }

    .floating-cta__text {
        font-size: 0.65rem;
        letter-spacing: 0.08em;
    }

    .floating-cta__btn {
        padding: 12px 24px;
        font-size: 0.7rem;
    }
}