/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a28;
    --bg-card: rgba(26, 26, 40, 0.6);
    --bg-card-hover: rgba(34, 34, 52, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-border: rgba(255, 255, 255, 0.06);

    --text-primary: #f0ece4;
    --text-secondary: #9a9aad;
    --text-muted: #6a6a7d;

    --accent-gold: #c9a96e;
    --accent-gold-light: #e8d5b0;
    --accent-gold-dark: #8b7355;
    --accent-warm: #d4a574;

    --gradient-gold: linear-gradient(135deg, #c9a96e 0%, #e8d5b0 50%, #c9a96e 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
    --gradient-card: linear-gradient(145deg, rgba(201, 169, 110, 0.08) 0%, rgba(201, 169, 110, 0.02) 100%);
    --gradient-hero: radial-gradient(ellipse at 30% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 60%);

    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(201, 169, 110, 0.2);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 8px 32px rgba(201, 169, 110, 0.15);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-padding: 60px;
    --container-width: 1200px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

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

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

input,
select,
textarea,
button {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
    background: none;
}

button {
    cursor: pointer;
}

::selection {
    background: rgba(201, 169, 110, 0.3);
    color: var(--text-primary);
}

/* ============================================
   PRELOADER
   ============================================ */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

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

.preloader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.preloader-inner span {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.preloader-icon {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border-subtle);
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.4s var(--ease-out);
    background: transparent;
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 10px 0;
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo em {
    font-style: normal;
    color: var(--accent-gold);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s var(--ease-out);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-link--cta {
    background: var(--accent-gold);
    color: var(--bg-primary) !important;
    font-weight: 600;
}

.nav-link--cta:hover {
    background: var(--accent-gold-light) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-gold);
}

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s var(--ease-out);
}

.burger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.burger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    padding-bottom: 130px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-gold);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 8s infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }

    10% {
        opacity: 0.6;
    }

    90% {
        opacity: 0.1;
    }

    100% {
        opacity: 0;
        transform: translateY(-20vh) scale(1);
    }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: rgba(201, 169, 110, 0.08);
    border: 1px solid rgba(201, 169, 110, 0.15);
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent-gold);
    margin-bottom: 32px;
    letter-spacing: 0.02em;
    animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-gold);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

.gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 500px;
    animation: fadeInUp 0.8s var(--ease-out) 0.6s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
    animation: fadeInUp 0.8s var(--ease-out) 0.8s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    animation: fadeInUp 0.8s var(--ease-out) 1s both;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-gold);
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-subtle);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInUp 0.8s var(--ease-out) 0.6s both;
}

.product-3d {
    perspective: 1000px;
    width: 100%;
    max-width: 420px;
}

.product-card-float {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform 0.6s var(--ease-out);
    animation: float 6s ease-in-out infinite;
}

.product-card-float:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

@keyframes float {

    0%,
    100% {
        transform: rotateY(-5deg) rotateX(2deg) translateY(0px);
    }

    50% {
        transform: rotateY(-5deg) rotateX(2deg) translateY(-12px);
    }
}

.product-glow {
    position: absolute;
    bottom: -20%;
    left: 10%;
    right: 10%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(201, 169, 110, 0.12) 0%, transparent 70%);
    filter: blur(40px);
    pointer-events: none;
}

/* Pritir 3D Visual */
.pritir-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.pritir-blank {
    perspective: 600px;
}

.pritir-bar {
    position: relative;
    width: 260px;
    height: 60px;
    transform-style: preserve-3d;
    transform: rotateX(20deg) rotateZ(-2deg);
}

.pritir-surface {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #6b6b7d 0%, #8a8a9c 30%, #6b6b7d 60%, #7a7a8c 100%);
    border-radius: 4px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        inset 0 -1px 0 rgba(0, 0, 0, 0.3),
        0 8px 24px rgba(0, 0, 0, 0.5);
}

.pritir-surface::after {
    content: '';
    position: absolute;
    inset: 4px;
    background: repeating-linear-gradient(90deg,
            transparent,
            transparent 20px,
            rgba(255, 255, 255, 0.03) 20px,
            rgba(255, 255, 255, 0.03) 21px);
    border-radius: 2px;
}

.pritir-side {
    position: absolute;
    bottom: -12px;
    left: 4px;
    right: 4px;
    height: 12px;
    background: linear-gradient(180deg, #5a5a6c, #4a4a5c);
    border-radius: 0 0 3px 3px;
    transform: skewX(-2deg);
}

.pritir-front {
    position: absolute;
    top: 4px;
    right: -10px;
    width: 10px;
    height: calc(100% - 4px);
    background: linear-gradient(90deg, #5a5a6c, #4a4a5c);
    border-radius: 0 3px 3px 0;
    transform: skewY(-5deg);
}

.pritir-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-gold);
    letter-spacing: 0.1em;
    padding: 6px 16px;
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    background: rgba(201, 169, 110, 0.05);
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--border-subtle);
    position: relative;
    overflow: hidden;
}

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

@keyframes scrollDown {
    0% {
        top: -50%;
    }

    100% {
        top: 110%;
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s var(--ease-out);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn--primary {
    background: var(--accent-gold);
    color: var(--bg-primary);
}

.btn--primary:hover {
    background: var(--accent-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--ghost {
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    background: var(--bg-glass);
}

.btn--ghost:hover {
    border-color: var(--border-accent);
    color: var(--accent-gold);
    background: rgba(201, 169, 110, 0.05);
}

.btn--lg {
    padding: 16px 36px;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

.btn--block {
    width: 100%;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 72px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(201, 169, 110, 0.08);
    border: 1px solid rgba(201, 169, 110, 0.15);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-tag--light {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--accent-gold-light);
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-title--left {
    text-align: left;
}

.section-title--light {
    color: #fff;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   PRODUCTS GRID
   ============================================ */
.products {
    background: var(--bg-secondary);
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(240px, 280px));
    justify-content: center;
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(201, 169, 110, 0.05);
}

.product-card-visual {
    position: relative;
    padding: 40px 24px;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}

.product-card-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    background: rgba(201, 169, 110, 0.12);
    border: 1px solid rgba(201, 169, 110, 0.2);
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge--gold {
    background: var(--accent-gold) !important;
    border-color: var(--accent-gold) !important;
    color: var(--bg-primary) !important;
}

/* Card Pritir Visual */
.card-pritir {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.card-pritir-blank {
    width: 140px;
    height: 8px;
    background: linear-gradient(135deg, #a0a0b0, #c0c0d0);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.card-pritir-bar {
    width: 130px;
    height: 22px;
    background: linear-gradient(135deg, #6b6b7d, #8a8a9c, #6b6b7d);
    border-radius: 3px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 4px 16px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.card-pritir-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 30%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        left: -50%;
    }

    100% {
        left: 150%;
    }
}

.card-pritir-bar.solo {
    height: 24px;
    width: 130px;
}

.card-pritir-bar.thick-bar {
    height: 28px;
}

.engrave-lines .engrave-lines::before {
    content: '';
    position: absolute;
    inset: 4px;
    background: repeating-linear-gradient(135deg,
            transparent,
            transparent 8px,
            rgba(201, 169, 110, 0.15) 8px,
            rgba(201, 169, 110, 0.15) 9px);
}

.engraved .card-pritir-bar {
    background: linear-gradient(135deg, #6b6b7d, #8a8a9c, #6b6b7d);
    position: relative;
}

.engraved .card-pritir-bar::before {
    content: '';
    position: absolute;
    inset: 3px;
    background: repeating-linear-gradient(120deg,
            transparent,
            transparent 6px,
            rgba(201, 169, 110, 0.12) 6px,
            rgba(201, 169, 110, 0.12) 7px);
    border-radius: 2px;
    z-index: 1;
}

.product-card-info {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.product-card-subtitle {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.product-card-specs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
    flex: 1;
}

.product-card-specs li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.product-card-specs svg {
    flex-shrink: 0;
    color: var(--accent-gold);
}

/* ============================================
   USAGE SECTION
   ============================================ */
.usage {
    background: var(--bg-primary);
    position: relative;
}

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

.usage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 48px;
}

.usage-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.usage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.usage-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

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

.usage-card-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--accent-gold);
    background: rgba(201, 169, 110, 0.08);
    border-radius: var(--radius-md);
    padding: 10px;
}

.usage-card-icon svg {
    width: 32px;
    height: 32px;
}

.usage-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

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

.usage-card-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Usage Highlight Block */
.usage-highlight {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 32px 36px;
    background: linear-gradient(135deg, rgba(201, 169, 110, 0.1), rgba(201, 169, 110, 0.03));
    border: 1px solid rgba(201, 169, 110, 0.25);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.usage-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-gold);
    border-radius: 4px 0 0 4px;
}

.usage-highlight-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 110, 0.12);
    border-radius: 50%;
    color: var(--accent-gold);
}

.usage-highlight-content {
    flex: 1;
}

.usage-highlight-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-gold-light);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.usage-highlight-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 12px;
}

.usage-highlight-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.usage-highlight-subtext {
    font-size: 0.88rem;
    color: var(--accent-gold);
    font-weight: 600;
    padding: 10px 16px;
    background: rgba(201, 169, 110, 0.08);
    border-radius: var(--radius-sm);
    display: inline-block;
}

/* Reduce gap between usage and about */
.usage + .about {
    padding-top: calc(var(--section-padding) / 2);
}

/* Usage responsive */
@media (max-width: 1024px) {
    .usage-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .usage-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 36px;
    }

    .usage-highlight {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 28px 20px;
    }

    .usage-highlight::before {
        width: 100%;
        height: 4px;
        border-radius: 4px 4px 0 0;
    }
}

@media (max-width: 560px) {
    .usage-grid {
        max-width: 400px;
    }

    .usage-card {
        padding: 28px 20px;
    }

    .usage-highlight {
        padding: 24px 16px;
    }

    .usage-highlight-title {
        font-size: 1.05rem;
    }
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
    margin: 40px;
}

.about-illustration {
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    position: relative;
}

.illustration-pritir {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ill-blank,
.ill-scotch,
.ill-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.4s var(--ease-out);
    position: relative;
}

.ill-blank {
    height: 36px;
    background: linear-gradient(135deg, #b0b0c0, #d0d0e0);
    border-radius: 6px 6px 0 0;
    z-index: 1;
}

.ill-blank span {
    font-size: 0.72rem;
    color: #3a3a4a;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.ill-scotch {
    height: 8px;
    background: linear-gradient(90deg, #cc4444, #dd5555, #cc4444);
    z-index: 2;
}

.ill-scotch span {
    font-size: 0.6rem;
    color: white;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s;
}

.about-illustration:hover .ill-scotch span {
    opacity: 1;
}

.ill-bar {
    height: 52px;
    background: linear-gradient(135deg, #6b6b7d, #8a8a9c, #7a7a8c);
    border-radius: 0 0 6px 6px;
    z-index: 3;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.ill-bar span {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.about-illustration:hover .ill-blank {
    transform: translateY(-8px);
}

.about-illustration:hover .ill-bar {
    transform: translateY(8px);
}

.about-illustration:hover .ill-scotch {
    transform: scaleY(2);
}

.about-content {
    max-width: 520px;
}

.about-text {
    font-size: 1.02rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 16px;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about-note {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(201, 169, 110, 0.06);
    border: 1px solid rgba(201, 169, 110, 0.12);
    border-radius: var(--radius-md);
    margin-top: 24px;
    color: var(--accent-gold);
    font-size: 0.9rem;
    font-weight: 500;
}

.about-note svg {
    flex-shrink: 0;
}

/* ============================================
   ADVANTAGES
   ============================================ */
.advantages {
    background: var(--bg-secondary);
    position: relative;
}

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

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

.advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.advantage-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

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

.advantage-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--accent-gold);
}

.advantage-icon svg {
    width: 36px;
    height: 36px;
}

.advantage-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.advantage-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ============================================
   ORDER SECTION
   ============================================ */
.order {
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.order::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.order-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.order-info {
    padding-top: 24px;
    position: sticky;
    top: 120px;
}

.order-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.order-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.order-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.order-feature svg {
    color: var(--accent-gold);
    flex-shrink: 0;
}

/* Order Form */
.order-form-wrap {
    position: relative;
}

.order-form {
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    backdrop-filter: blur(10px);
}

.form-header {
    margin-bottom: 28px;
}

.form-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.form-header p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s var(--ease-out);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent-gold);
    background: rgba(201, 169, 110, 0.04);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.08);
}

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

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.08);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239a9aad' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.form-select option {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 8px 0 24px;
}

/* Quantity Control */
.quantity-control {
    display: flex;
    align-items: center;
    gap: 0;
    width: fit-content;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.qty-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.2s;
    user-select: none;
}

.qty-btn:hover {
    background: rgba(201, 169, 110, 0.1);
    color: var(--accent-gold);
}

.qty-input {
    width: 56px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    border-radius: 0;
    padding: 10px 4px;
    font-weight: 600;
    background: transparent;
    color: var(--text-primary);
    -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.form-privacy {
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 16px;
}

/* Form Success */
.form-success {
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
}

.success-icon {
    color: var(--accent-gold);
    margin-bottom: 24px;
    animation: scaleIn 0.5s var(--ease-bounce);
}

@keyframes scaleIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.form-success h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.form-success p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-secondary);
    padding: 60px 0 0;
    border-top: 1px solid var(--border-subtle);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 4px 0;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: var(--accent-gold);
    transform: translateX(4px);
}

.footer-contact p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.footer-contact a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer-contact a:hover {
    opacity: 0.8;
}

.form-header a {
    color: var(--accent-gold);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

.form-header a:hover {
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding: 20px 0;
}

.footer-bottom p {
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: 50%;
    color: var(--accent-gold);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s var(--ease-out);
    z-index: 100;
    cursor: pointer;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-gold);
    color: var(--bg-primary);
    transform: translateY(-4px);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* ---- 1280px: slight spacing tighten ---- */
@media (max-width: 1280px) {
    .hero-inner {
        gap: 48px;
    }

    .order-wrapper {
        gap: 56px;
    }
}

/* ---- 1024px: tablet landscape ---- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    /* Hero */
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding-top: 20px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-subtitle {
        max-width: 580px;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .product-3d {
        max-width: 300px;
    }

    /* Products: 3 columns */
    .products-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-content {
        max-width: 100%;
    }

    .about-text {
        text-align: center;
    }

    .about-note {
        justify-content: center;
    }

    .section-title--left {
        text-align: center;
    }

    .about-content .section-tag {
        display: block;
        text-align: center;
    }

    /* Advantages: 3 columns */
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Order */
    .order-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .order-info {
        position: static;
        text-align: center;
    }

    .section-title--left.section-title--light {
        text-align: center;
    }

    .order-desc {
        text-align: center;
    }

    .order-features {
        align-items: center;
    }

    /* Footer */
    .footer-inner {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 32px;
    }
}

/* ---- 768px: tablet portrait & large phones ---- */
@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    /* Mobile nav drawer */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(300px, 80vw);
        height: 100vh;
        background: var(--bg-secondary);
        border-left: 1px solid var(--border-subtle);
        flex-direction: column;
        justify-content: center;
        align-items: stretch;
        gap: 4px;
        padding: 80px 24px 32px;
        transition: right 0.4s var(--ease-out);
        z-index: 1000;
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.4);
    }

    .nav.open {
        right: 0;
    }

    .nav-link {
        padding: 14px 20px;
        font-size: 1rem;
        width: 100%;
        text-align: center;
        border-radius: var(--radius-md);
    }

    .nav-link--cta {
        margin-top: 12px;
    }

    .burger {
        display: flex;
    }

    /* Hero */
    .hero-title {
        font-size: clamp(1.8rem, 7vw, 2.4rem);
    }

    .hero-badge {
        font-size: 0.75rem;
    }

    .hero-scroll {
        display: none;
    }

    .hero {
        padding-bottom: 80px;
    }

    .product-card-float {
        padding: 36px 20px;
    }

    /* Products: 2 columns */
    .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px;
    }

    /* Advantages: 2 columns */
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    /* About illustration */
    .about-illustration {
        padding: 28px 20px;
    }

    .ill-blank {
        height: 28px;
    }

    .ill-bar {
        height: 42px;
    }

    .ill-blank span,
    .ill-bar span {
        font-size: 0.68rem;
    }

    /* Order form */
    .order-form {
        padding: 28px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
        text-align: center;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-links a:hover {
        transform: none;
    }

    .footer {
        padding-top: 48px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

/* ---- 560px: large phones ---- */
@media (max-width: 560px) {
    :root {
        --section-padding: 52px;
    }

    /* Products & advantages: 1 column */
    .products-grid {
        grid-template-columns: 1fr !important;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    /* Section header */
    .section-header {
        margin-bottom: 48px;
    }

    .section-title {
        font-size: 1.7rem;
    }

    /* Hero */
    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }

    .stat-divider {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .btn--lg {
        width: 100%;
        justify-content: center;
        padding: 15px 24px;
    }

    /* Order form */
    .order-form {
        padding: 24px 16px;
        border-radius: var(--radius-lg);
    }

    .form-header h3 {
        font-size: 1.15rem;
    }

    /* opr rows wrap */
    .opr-row {
        flex-wrap: wrap;
        gap: 8px;
        padding: 12px 14px;
    }

    .opr-name {
        white-space: normal;
        font-size: 0.85rem;
        line-height: 1.35;
    }

    .opr-desc {
        white-space: normal;
    }

    .opr-qty .qty-btn {
        width: 40px;
        height: 40px;
    }

    .opr-qty .qty-input {
        width: 48px;
        height: 40px;
    }

    /* Footer */
    .footer-inner {
        gap: 24px;
    }

    .footer {
        padding-top: 40px;
    }
}

/* ---- 480px: small phones ---- */
@media (max-width: 480px) {
    .hero-badge {
        font-size: 0.7rem;
        padding: 5px 12px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .product-card-float {
        padding: 28px 16px;
    }

    .pritir-bar {
        width: 200px;
    }

    .advantage-card {
        padding: 28px 20px;
    }

    .form-success {
        padding: 40px 20px;
    }

    .form-success h3 {
        font-size: 1.3rem;
    }

    .back-to-top {
        width: 38px;
        height: 38px;
    }
}

/* ---- 360px: very small phones ---- */
@media (max-width: 360px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 1.45rem;
    }

    .nav {
        width: 90vw;
    }
}

.hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
}

.hero-content {
    max-width: 100%;
}

.hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    justify-content: center;
}

.hero-stats {
    justify-content: center;
}

.hero-visual {
    order: -1;
}

.product-3d {
    max-width: 320px;
}

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

.about-content {
    max-width: 100%;
}

.section-title--left {
    text-align: center;
}

.about-content .section-tag {
    display: block;
    text-align: center;
}

.about-text {
    text-align: center;
}

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

.order-info {
    position: static;
    text-align: center;
}

.section-title--left.section-title--light {
    text-align: center;
}

.order-desc {
    text-align: center;
}

.order-features {
    align-items: center;
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        border-left: 1px solid var(--border-subtle);
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        padding: 24px;
        transition: right 0.4s var(--ease-out);
        z-index: 1000;
    }

    .nav.open {
        right: 0;
    }

    .nav-link {
        padding: 14px 20px;
        font-size: 1rem;
        width: 100%;
        text-align: center;
    }

    .burger {
        display: flex;
    }

    .products-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .order-form {
        padding: 28px 20px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .product-card-float {
        padding: 40px 24px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .stat-divider {
        display: none;
    }

    .hero-badge {
        font-size: 0.72rem;
        padding: 6px 14px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn--lg {
        padding: 14px 24px;
    }
}

/* ============================================
   PRODUCTS GRID — 4 CARDS
   ============================================ */
.products-grid {
    grid-template-columns: repeat(4, minmax(210px, 280px));
    justify-content: center;
}

/* Badge variants */
.badge--blue {
    background: rgba(99, 179, 237, 0.12) !important;
    border-color: rgba(99, 179, 237, 0.2) !important;
    color: #63b3ed !important;
}

/* Small polish bar for 65×25×9 */
.polish-bar {
    width: 75px !important;
    height: 30px !important;
}

/* ============================================
   MULTI-PRODUCT ORDER LIST
   ============================================ */
.form-sublabel {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    margin-top: -4px;
    line-height: 1.5;
}

.opr-list {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.opr-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.02);
    transition: background 0.25s var(--ease-out), border-left 0.25s;
    border-left: 3px solid transparent;
}

.opr-row:last-child {
    border-bottom: none;
}

.opr-row:hover {
    background: rgba(201, 169, 110, 0.04);
}

.opr-row.active {
    background: rgba(201, 169, 110, 0.06);
    border-left-color: var(--accent-gold);
}

.opr-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
}

.opr-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.opr-row.active .opr-name {
    color: var(--accent-gold-light);
}

.opr-desc {
    font-size: 0.76rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.opr-qty-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.opr-row-sum {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent-gold);
    min-width: 65px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.opr-row:not(.active) .opr-row-sum {
    color: var(--text-muted);
}

.opr-qty {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.25s;
}

.opr-row.active .opr-qty {
    border-color: rgba(201, 169, 110, 0.3);
}

.opr-qty .qty-btn {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    transition: all 0.2s;
    flex-shrink: 0;
}

.opr-qty .qty-btn:hover {
    background: rgba(201, 169, 110, 0.12);
    color: var(--accent-gold);
}

.opr-qty .qty-input {
    width: 44px;
    height: 36px;
    text-align: center;
    background: transparent;
    border: none;
    border-left: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.9rem;
    -moz-appearance: textfield;
    cursor: default;
    padding: 0;
}

.opr-qty .qty-input::-webkit-outer-spin-button,
.opr-qty .qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

.opr-row.active .opr-qty .qty-input {
    color: var(--accent-gold);
}

.opr-error {
    margin-top: 8px;
    font-size: 0.82rem;
    color: #e74c3c;
    display: none;
    padding: 6px 2px;
}

.opr-error.visible {
    display: block;
}

.opr-total {
    margin-top: 14px;
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, rgba(201, 169, 110, 0.14), rgba(201, 169, 110, 0.06));
    border: 1px solid rgba(201, 169, 110, 0.35);
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
}

.opr-total-label {
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.02em;
}

.opr-total-value {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--accent-gold, #c9a96e);
    font-variant-numeric: tabular-nums;
}

/* Responsive opr on small screens */
@media (max-width: 560px) {
    .opr-row {
        flex-wrap: wrap;
        gap: 10px;
        padding: 12px 14px;
    }

    .opr-name {
        white-space: normal;
        font-size: 0.84rem;
    }
}