@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Montserrat:wght@700;800;900&display=swap');

:root {
    --primary-color: #fbbf24; /* Amarelo premium Caterpillar */
    --primary-hover: #f59e0b; /* Amarelo mais quente para hover */
    --primary-glow: rgba(251, 191, 36, 0.25);
    --bg-color: #060913; /* Preto industrial profundo com tom azul */
    --surface-color: rgba(14, 22, 39, 0.5); /* Efeito vidro fosco */
    --surface-card: rgba(20, 32, 57, 0.45);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-border-hover: rgba(251, 191, 36, 0.3);
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --glass-bg: rgba(6, 9, 19, 0.85);
    --accent-glow: rgba(251, 191, 36, 0.08);
    --shopee-color: #f97316; /* Laranja moderno Shopee */
    --shopee-hover: #ea580c;
    --whatsapp-color: #10b981; /* Verde esmeralda premium */
    --whatsapp-hover: #059669;
    
    --font-title: 'Montserrat', sans-serif;
    --font-sans: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
    position: relative;
}

/* Engineering blueprint grid watermark in background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.007) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.007) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

main {
    position: relative;
    z-index: 1;
}

/* Typography */
h1 {
    font-family: var(--font-title);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    color: #fff;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

h2 {
    font-family: var(--font-title);
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    color: #fff;
    letter-spacing: -0.01em;
}

h3 {
    font-family: var(--font-title);
    font-size: 1.45rem;
    font-weight: 800;
    margin-bottom: 0.6rem;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.text-gradient {
    color: var(--primary-color);
    background: linear-gradient(135deg, #ffe066 0%, #f59e0b 50%, #d97706 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Container common max width */
.max-width-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
}

/* Header & Nav Capsule style */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1000;
}

.header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(251, 191, 36, 0.15);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    padding: 0.8rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: block;
}

.logo img {
    height: 44px;
    width: auto;
    display: block;
    mix-blend-mode: screen;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo img:hover {
    transform: scale(1.08) rotate(-1deg);
}

.nav-links {
    display: flex;
    gap: 2.2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 0 8px var(--primary-color);
}

.nav-links a:hover {
    color: #fff;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Header CTA Button */
.nav-cta-button {
    display: inline-block;
    padding: 0.65rem 1.4rem;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 800;
    font-size: 0.8rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.05);
}

.nav-cta-button:hover {
    background-color: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px var(--primary-glow);
    transform: translateY(-1px);
}

/* Mobile Menu Toggle button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: #fff;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Action Buttons (General) */
.primary-button, .secondary-button, .secondary-button-shopee {
    display: inline-block;
    padding: 1.1rem 2.4rem;
    font-size: 0.9rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.primary-button::after, .secondary-button-shopee::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 30%;
    height: 200%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.25) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg);
    transition: none;
    pointer-events: none;
}

.primary-button:hover::after, .secondary-button-shopee:hover::after {
    animation: sheen 1.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@keyframes sheen {
    100% { left: 130%; }
}

.primary-button {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.25);
}

.primary-button:hover {
    background: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(251, 191, 36, 0.45);
}

.secondary-button-shopee {
    background: linear-gradient(135deg, var(--shopee-color) 0%, var(--shopee-hover) 100%);
    color: #fff;
    margin-left: 1.2rem;
    box-shadow: 0 4px 20px rgba(238, 77, 45, 0.25);
}

.secondary-button-shopee:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(238, 77, 45, 0.45);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 9rem 2rem 5rem 2rem;
    position: relative;
    background: linear-gradient(rgba(6, 9, 19, 0.65), rgba(6, 9, 19, 0.85)), url('assets/irontork_plaque.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero-glow-spot {
    position: absolute;
    width: 45vw;
    height: 45vw;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 1;
    opacity: 0.35;
}

.hero-glow-spot.primary {
    top: -10vw;
    right: -10vw;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
}

.hero-glow-spot.secondary {
    bottom: -15vw;
    left: -10vw;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.18) 0%, transparent 70%);
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 5rem;
    align-items: center;
    width: 100%;
    z-index: 2;
}

.hero-text {
    text-align: left;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
    line-height: 1.7;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.2rem;
    background: rgba(251, 191, 36, 0.06);
    color: var(--primary-color);
    border: 1px solid rgba(251, 191, 36, 0.25);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.hero-checklist {
    list-style: none;
    margin-bottom: 2.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.hero-checklist li {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
}

.check-icon {
    color: var(--primary-color);
    flex-shrink: 0;
    filter: drop-shadow(0 0 4px rgba(251, 191, 36, 0.3));
}

.hero-buttons {
    display: flex;
    align-items: center;
}

/* High-tech Console Video Frame */
.hero-media {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: #020408;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(251, 191, 36, 0.03);
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.console-header {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(14, 22, 39, 0.95);
    padding: 8px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-family: monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 1.5px;
}

.console-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}
.console-dot.red { background: #ef4444; }
.console-dot.yellow { background: #f59e0b; }
.console-dot.green { background: #10b981; }

.console-title {
    margin-left: 6px;
    font-weight: 700;
    color: #e2e8f0;
}

.hero-video {
    width: 100%;
    height: calc(100% - 31px);
    object-fit: cover;
    display: block;
}

.video-glow {
    position: absolute;
    inset: 31px 0 0 0;
    border-radius: 0 0 11px 11px;
    box-shadow: inset 0 0 30px rgba(251, 191, 36, 0.06);
    pointer-events: none;
    transition: all 0.3s ease;
}

.hero-video-frame:hover .video-glow {
    box-shadow: inset 0 0 30px rgba(251, 191, 36, 0.15), 0 0 40px rgba(251, 191, 36, 0.08);
}

.video-badge {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(6, 9, 19, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.35rem 0.8rem;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: inline-flex;
    align-items: center;
}

.pulse-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ef4444;
    margin-right: 6px;
    animation: pulse-red 1.5s infinite;
}

@keyframes pulse-red {
    0% { transform: scale(0.9); opacity: 0.8; }
    50% { transform: scale(1.4); opacity: 1; box-shadow: 0 0 8px #ef4444; }
    100% { transform: scale(0.9); opacity: 0.8; }
}

/* Banner Central Marquee */
.banner-highlight {
    background: var(--primary-color);
    padding: 1.4rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 5;
    overflow: hidden;
}

.marquee-container {
    overflow: hidden;
    width: 100%;
    display: flex;
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: marquee 30s linear infinite;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    padding-right: 3rem;
    white-space: nowrap;
}

.marquee-content span {
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: 900;
    color: #060913;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.marquee-content .separator {
    font-size: 1.2rem;
    opacity: 0.7;
}

@keyframes marquee {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4.5rem;
    position: relative;
    z-index: 5;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.6);
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* Configurador Section */
.configurator-section {
    padding: 8rem 2rem;
    position: relative;
    overflow: hidden;
}

.configurator-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    background: rgba(14, 22, 39, 0.45);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 3.5rem;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255,255,255,0.05);
    min-width: 0;
    position: relative;
    z-index: 5;
}

/* Left: Media Showcase */
.product-gallery-showcase {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0;
}

.active-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #03050a;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
}

.active-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.active-image-wrapper:hover img {
    transform: scale(1.04);
}

.badge-new {
    position: absolute;
    top: 1.2rem;
    left: 1.2rem;
    background: var(--primary-color);
    color: var(--bg-color);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.45rem 1rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    box-shadow: 0 5px 15px rgba(251, 191, 36, 0.3);
}

.product-thumbs-wrapper {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.product-thumbs {
    display: flex;
    gap: 0.9rem;
}

.thumb-item {
    width: 84px;
    aspect-ratio: 1/1;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    background: #03050a;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    flex-shrink: 0;
}

.thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-item:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.3);
}

.thumb-item.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(251, 191, 36, 0.4);
    transform: translateY(-2px);
}

/* Right: Config Form */
.product-config-form {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.product-category {
    font-size: 0.75rem;
    color: var(--primary-color);
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 0.6rem;
}

.product-config-form h3 {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    line-height: 1.25;
}

.product-tagline {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

/* Price Box */
.price-box {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.04);
    padding: 1.2rem 1.6rem;
    border-radius: 10px;
    margin-bottom: 2.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.6rem;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
}

.price-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 800;
    letter-spacing: 1.5px;
}

.price-value {
    font-size: 2.1rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.01em;
}

.price-value small {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.original-price {
    text-decoration: line-through;
    font-size: 1.4rem;
    color: var(--text-muted);
    margin-right: 0.5rem;
    font-weight: 600;
}

.discount-price {
    color: var(--whatsapp-color);
}

.coupon-wrapper {
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.coupon-indicator {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.2) 100%);
    border: 2px dashed var(--whatsapp-color);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 0; /* Reset margin since wrapper handles it */
    display: flex;
    align-items: center;
    gap: 1.2rem;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.15);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.countdown-container {
    background: rgba(14, 22, 39, 0.6);
    border: 1px solid rgba(255, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(255, 0, 0, 0.05);
}

.countdown-title {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 0.5rem;
}

.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
}

.time-number {
    font-family: 'Oswald', 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: #ff0000;
    line-height: 1;
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.3);
}

.time-label {
    font-size: 0.75rem;
    color: #ff0000;
    text-transform: lowercase;
    margin-top: 4px;
    font-weight: 500;
    opacity: 0.9;
}

.time-separator {
    font-family: 'Oswald', 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: #ff0000;
    line-height: 1;
    opacity: 0.7;
    margin-top: 2px;
}

/* Selector Group styling */

.coupon-indicator:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.25);
}

.coupon-badge {
    background: linear-gradient(135deg, var(--whatsapp-color) 0%, #059669 100%);
    color: #fff;
    font-weight: 900;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-size: 1.1rem;
    white-space: nowrap;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
    70% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.coupon-indicator p {
    margin: 0;
    font-size: 1.05rem;
    color: #fff;
    line-height: 1.4;
}

.coupon-indicator strong {
    color: var(--whatsapp-color);
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: 1.5px;
    text-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

/* Selector Group styling */
.config-group {
    margin-bottom: 2rem;
}

.config-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
    letter-spacing: 1px;
}

.form-select {
    width: 100%;
    background: #0c1220;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 1.05rem 1.4rem;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 700;
    outline: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23fbbf24' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.25rem center;
    background-size: 1.2rem;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 18px var(--primary-glow);
}

/* Dynamic Specs (Clean list structure) */
.dynamic-specs-box {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 2.2rem;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 1.4rem;
    border-radius: 8px;
}

.spec-tile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.spec-tile:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.spec-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.8px;
}

.spec-val {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary-color);
}

/* Tabela de Especificações Rápidas */
.quick-specs-bullet {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 1.4rem;
    border-radius: 8px;
}

.bullet-item {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.bullet-item strong {
    color: #fff;
}

/* Action CTAs in configurador */
.action-buttons-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.go-to-product-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, var(--shopee-color) 0%, var(--shopee-hover) 100%);
    color: #fff;
    text-decoration: none;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-size: 1.05rem;
    padding: 1.1rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(238, 77, 45, 0.3);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: center;
}

.go-to-product-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(238, 77, 45, 0.45);
}

.go-to-product-btn svg {
    display: block;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.go-to-product-btn:hover svg {
    transform: translate(3px, -3px);
}

.whatsapp-negotiate-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    background: transparent;
    border: 2px solid var(--whatsapp-color);
    color: var(--whatsapp-color);
    text-decoration: none;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-size: 0.95rem;
    padding: 1.05rem;
    border-radius: 8px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: center;
}

.whatsapp-negotiate-btn:hover {
    background: rgba(16, 185, 129, 0.06);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.15);
}

.whatsapp-negotiate-btn svg {
    display: block;
}

/* Benefits Section */
.benefits-section {
    padding: 8rem 2rem;
    background: #04070d;
    position: relative;
    overflow: hidden;
}

.benefits-glow-spot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 65vw;
    height: 65vw;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.04) 0%, transparent 70%);
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.2rem;
    margin-bottom: 6rem;
    position: relative;
    z-index: 2;
}

.benefit-card {
    background: rgba(14, 22, 39, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 2.8rem 2.2rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    transition: all 0.4s ease;
}

.benefit-card:hover {
    transform: translateY(-8px);
    background: rgba(14, 22, 39, 0.6);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 30px rgba(251, 191, 36, 0.05);
}

.benefit-card:hover::before {
    background: linear-gradient(135deg, var(--primary-color) 0%, rgba(251, 191, 36, 0.15) 100%);
}

.benefit-icon-wrapper {
    width: 62px;
    height: 62px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1) 0%, rgba(251, 191, 36, 0.02) 100%);
    border: 1px solid rgba(251, 191, 36, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    margin-bottom: 1.6rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 20px rgba(251, 191, 36, 0.03);
}

.benefit-card:hover .benefit-icon-wrapper {
    background: var(--primary-color);
    color: var(--bg-color);
    transform: scale(1.08) rotate(5deg);
    box-shadow: 0 10px 20px rgba(251, 191, 36, 0.25);
}

.benefit-svg {
    stroke-width: 2.2px;
}

.benefit-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 0.8rem;
    line-height: 1.65;
}

/* Ficha Técnica (Engineering Style) */
.tech-specifications {
    background: rgba(14, 22, 39, 0.45);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 4rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255,255,255,0.05);
    position: relative;
    z-index: 2;
}

.tech-specifications h3 {
    margin-bottom: 2.5rem;
    text-align: center;
    position: relative;
    display: block;
}

.tech-specifications h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 1.5px;
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.6);
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.6rem 4rem;
    max-width: 960px;
    margin: 0 auto;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 0.95rem;
    align-items: center;
}

.spec-row:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.spec-row strong {
    color: var(--text-muted);
    font-weight: 500;
}

.spec-row span {
    font-weight: 700;
    color: #fff;
    text-align: right;
}

/* Galeria Section */
.gallery-section {
    padding: 8rem 2rem;
    position: relative;
}

.gallery-tabs-container {
    display: flex;
    justify-content: center;
    background: rgba(14, 22, 39, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.04);
    padding: 0.4rem;
    border-radius: 50px;
    max-width: 700px;
    margin: 0 auto 4rem auto;
    flex-wrap: wrap;
    gap: 0.2rem;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.4);
    backdrop-filter: blur(8px);
}

.gallery-tab {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.75rem 1.6rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.gallery-tab:hover {
    color: #fff;
}

.gallery-tab.active {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 5px 15px rgba(251, 191, 36, 0.25);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.8rem;
}

.gallery-card {
    background: rgba(14, 22, 39, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.gallery-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 10px;
    padding: 1px;
    background: linear-gradient(180deg, rgba(255,255,255,0.05), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 2;
}

.gallery-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(251, 191, 36, 0.25);
}

.gallery-media-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #03050a;
    overflow: hidden;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-card:hover .gallery-img {
    transform: scale(1.06);
}

/* Image Zoom Lupa Overlay */
.image-zoom-overlay, .video-play-overlay {
    position: absolute;
    inset: 0;
    background: rgba(6, 9, 19, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 3;
}

.gallery-card:hover .image-zoom-overlay,
.gallery-card:hover .video-play-overlay {
    opacity: 1;
}

.image-zoom-overlay svg, .video-play-overlay svg {
    color: var(--primary-color);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.gallery-card:hover .image-zoom-overlay svg,
.gallery-card:hover .video-play-overlay svg {
    transform: scale(1);
}

/* Special video cards badge and button */
.media-badge {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    background: var(--primary-color);
    color: var(--bg-color);
    font-size: 0.65rem;
    font-weight: 800;
    padding: 0.3rem 0.65rem;
    border-radius: 4px;
    letter-spacing: 0.8px;
    z-index: 4;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
}

.video-play-overlay {
    opacity: 0.8;
    background: rgba(6, 9, 19, 0.35);
}

.video-play-overlay svg {
    fill: var(--primary-color);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
}

.gallery-card-info {
    padding: 1.25rem;
    background: rgba(14, 22, 39, 0.2);
}

.gallery-card-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #e2e8f0;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    letter-spacing: 0.2px;
}

/* Lightbox Modal */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(3, 4, 8, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 2.2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2020;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-close:hover {
    background: var(--primary-color);
    color: var(--bg-color);
    border-color: var(--primary-color);
    transform: scale(1.05) rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 1.5rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2010;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
}

.lightbox-nav:hover {
    background: var(--primary-color);
    color: var(--bg-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px var(--primary-glow);
}

.lightbox-prev { left: 2rem; }
.lightbox-next { right: 2rem; }

.lightbox-content-wrapper {
    max-width: 80%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#lightbox-content-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-media-img {
    max-width: 100%;
    max-height: 72vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.6);
    animation: zoomIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.lightbox-media-video {
    max-width: 100%;
    max-height: 72vh;
    border-radius: 8px;
    outline: none;
    box-shadow: 0 25px 60px rgba(0,0,0,0.6);
    animation: zoomIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.lightbox-info {
    text-align: center;
    margin-top: 1.5rem;
    max-width: 600px;
}

.lightbox-caption {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.3rem;
    letter-spacing: 0.2px;
}

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

/* Footer Section redone */
.footer {
    border-top: 2px solid rgba(251, 191, 36, 0.2);
    padding: 6rem 2rem 2rem 2rem;
    background: #03050a;
    position: relative;
    z-index: 10;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    font-family: var(--font-title);
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 1.8rem;
    letter-spacing: 1px;
}

.brand-col .footer-logo {
    margin-bottom: 1.4rem;
}

.brand-col .footer-logo img {
    height: 56px;
    width: auto;
    mix-blend-mode: screen;
}

.brand-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--whatsapp-color);
    color: #fff;
    border-color: var(--whatsapp-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: color 0.25s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.quality-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
}

.contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-icon {
    font-size: 1.1rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-list a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.25s ease;
}

.contact-list a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom .copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
    opacity: 0.6;
}

/* Animations keyframes */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scrolling Intersection Observer Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Media Queries */
@media (max-width: 1200px) {
    h1 { font-size: 3rem; }
    .hero-grid { gap: 3rem; }
    .configurator-container { gap: 2.5rem; padding: 2.5rem; }
    .footer-container { gap: 2rem; }
}

@media (max-width: 992px) {
    h1 { font-size: 2.6rem; }
    h2 { font-size: 2rem; }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-checklist {
        align-items: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .configurator-container {
        grid-template-columns: 1fr;
        gap: 3.5rem;
        max-width: 700px;
        margin: 0 auto;
    }
    
    .tech-specifications {
        padding: 2.5rem;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

/* --- Avaliações Section --- */
.reviews-section {
    padding: 6rem 2rem;
    position: relative;
    background: radial-gradient(circle at 50% 100%, rgba(20, 25, 40, 0.4) 0%, rgba(3, 4, 8, 1) 70%);
}
.reviews-summary {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}
.review-summary-img {
    max-width: 100%;
    width: 280px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: center;
    justify-items: center;
}
.review-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.review-img:hover {
    transform: translateY(-8px) scale(1.03);
    border-color: rgba(251, 191, 36, 0.3);
}

@media (max-width: 768px) {
    h1, h2, h3, p {
        overflow-wrap: break-word;
        word-break: break-word;
    }

    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    
    .max-width-container { padding: 0 1.2rem; max-width: 100%; overflow-x: hidden; }
    
    .hero { padding: 7rem 1.2rem 4rem 1.2rem; overflow-x: hidden; }
    
    .hero-text {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }

    .hero-text > * {
        max-width: 100%;
    }
    
    .hero-checklist {
        width: 100%;
        max-width: 100%;
        align-items: center; /* keep centered or change if needed */
    }

    .hero-checklist li {
        max-width: 100%;
        text-align: left;
    }

    .configurator-section,
    .benefits-section,
    .gallery-section,
    .reviews-section {
        padding: 4rem 1.2rem;
    }
    
    .logo img { height: 36px; }

    .nav-links {
        display: none; /* Mobile menu toggled via JS */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #060913;
        border-bottom: 2px solid var(--primary-color);
        padding: 2rem 0;
        gap: 1.5rem;
        box-shadow: 0 15px 30px rgba(0,0,0,0.5);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Toggle states for menu icon */
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8.5px) rotate(45deg);
    }
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8.5px) rotate(-45deg);
    }
    
    .nav-cta-button {
        display: none; /* Hide standard CTA in favor of menu on small screens or display inside */
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }
    
    .primary-button, .secondary-button-shopee {
        width: 100%;
        margin-left: 0;
    }
    
    .hero-video-frame {
        border-radius: 8px;
    }
    
    .marquee-content span { font-size: 0.9rem; }
    
    .configurator-container { padding: 1.8rem; gap: 2rem; }
    .product-config-form h3 { font-size: 1.5rem; }
    
    .price-box { padding: 1rem; flex-direction: column; align-items: flex-start; }
    .price-value { font-size: 1.8rem; }
    .original-price { font-size: 1.2rem; }
    
    .tech-specifications { padding: 1.8rem; }
    .specs-grid { gap: 1rem; }
    .spec-row { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
    .spec-row span { text-align: left; }

    .lightbox-nav {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
    
    .lightbox-prev { left: 0.5rem; }
    .lightbox-next { right: 0.5rem; }
    .lightbox-close { top: 1rem; right: 1rem; width: 40px; height: 40px; font-size: 1.8rem; }
    
    .gallery-tabs-container {
        border-radius: 16px;
        padding: 0.5rem;
    }
    
    .gallery-tab {
        width: 100%;
        border-radius: 8px;
        padding: 0.6rem 1rem;
    }
    
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(100%, 1fr)); }
    .reviews-grid { grid-template-columns: 1fr; }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.9rem; }
    h2 { font-size: 1.6rem; }
    
    .hero-buttons { gap: 0.8rem; }
    .primary-button, .secondary-button-shopee { padding: 1rem 1.5rem; font-size: 0.85rem; }
    
    .coupon-indicator { flex-direction: column; text-align: center; gap: 0.8rem; padding: 1rem; }
    .coupon-badge { font-size: 0.95rem; }
    
    .countdown-timer { gap: 0.3rem; }
    .time-number { font-size: 2.2rem; }
    .time-box { min-width: 45px; }
    .time-separator { font-size: 1.8rem; }
    
    .action-buttons-group a { font-size: 0.9rem; padding: 0.9rem; }
    
    .thumb-item { width: 60px; }
    
    .footer-col h4 { margin-bottom: 1rem; }
    .footer-container { gap: 2rem; }
}