/* =========================================
   VARIABLES & DESIGN SYSTEM
   ========================================= */
:root {
    /* Colors */
    --color-bg: #ffffff;
    --color-bg-gray: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-title: #1e293e;
    --color-body: #475569;
    --color-accent: #c01b84;
    --color-accent-hover: #9d156b;
    --color-whatsapp: #25D366;
    --color-whatsapp-hover: #1EBE5C;
    --color-white: #ffffff;
    --color-border: #e2e8f0;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    
    /* Layout */
    --max-width: 1200px;
    --nav-height: 80px;

    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-base: 0.3s ease-out;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

ul, ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

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

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1, h2, .section-title, .cta-title {
    color: #0360ab !important;
    font-weight: 700;
    line-height: 1.2;
}

h3, h4, h5, h6, .benefit-title, .color-info h4, .pain-point p, .spec-item h4 {
    color: #000000 !important;
}

.hero-title {
    font-size: clamp(2.25rem, 4vw, 3rem);
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
    color: #0360ab !important;
    text-shadow: 0 1px 5px rgba(255,255,255,0.5);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
    position: relative;
    color: #0360ab !important;
}

.hero-subtitle, .section-copy {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    font-weight: 400;
    color: var(--color-body);
    margin-bottom: 2rem;
}

.text-center { text-align: center; }
.text-white { color: var(--color-white) !important; }
.text-white-80 { color: rgba(255, 255, 255, 0.8) !important; }
.text-sm { font-size: 0.875rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.mt-8 { margin-top: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Background Utility */
.bg-gray { background-color: var(--color-bg-gray); }
.bg-dark-accent { background-color: var(--color-bg-dark); }

/* =========================================
   LAYOUT
   ========================================= */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* =========================================
   COMPONENTS
   ========================================= */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
}

.btn i {
    font-size: 1.25rem;
}

.btn-whatsapp {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    box-shadow: 0 10px 25px -5px rgba(37, 211, 102, 0.4);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-whatsapp:hover {
    background-color: var(--color-whatsapp-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(37, 211, 102, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-title);
    border: 2px solid var(--color-title);
}

.btn-secondary:hover {
    background-color: var(--color-title);
    color: var(--color-white);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.shadow-large {
    box-shadow: var(--shadow-lg);
}



/* Placeholders for missing images */
.placeholder-img {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    color: var(--color-accent);
}

.placeholder-img i {
    font-size: 4rem;
    opacity: 0.5;
}

.problem-placeholder { aspect-ratio: 4/3; }
.aspirational-placeholder { aspect-ratio: 16/9; max-width: 900px; margin: 0 auto; height: 500px; }
.tech-placeholder { aspect-ratio: 3/4; }

/* =========================================
   SECTIONS
   ========================================= */

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 50;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar-transparent {
    position: absolute;
    background-color: transparent !important;
    backdrop-filter: none;
    border-bottom: none;
    box-shadow: none !important;
    z-index: 100;
}

.navbar-transparent .brand-logo {
    opacity: 0.95;
    transition: all 0.3s ease;
}

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

.logo-centered {
    justify-content: center;
}

.brand-logo, .footer-logo {
    height: 60px;
    object-fit: contain;
}

/* Hero Section */
.hero-fullscreen {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-fullscreen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/Hero%20section.png');
    background-size: cover;
    background-position: right center;
    background-repeat: no-repeat;
    filter: brightness(1) contrast(1.05);
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 35%, rgba(255,255,255,0) 100%);
    z-index: 1;
}

.hero-container-text {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: calc(var(--nav-height) + 2rem) 1.5rem 0 1.5rem;
    display: flex;
    justify-content: flex-start;
}

.hero-content {
    width: 100%;
    max-width: 580px;
}

.hero-trust {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}
.hero-trust i {
    color: var(--color-accent);
    margin-right: 0.25rem;
}

.eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.problem-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.problem-image {
    height: 100%;
    display: flex;
}

.pain-points {
    margin-top: 2rem;
}

.pain-point {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--color-bg-gray);
    padding: 1.25rem 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.02);
}

.pain-point:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.icon-box {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background-color: rgba(192, 27, 132, 0.05); /* Lighter accent background */
    color: var(--color-accent); /* #c01b84 */
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.problem-image .dynamic-img {
    width: 100%;
    height: 100%;
    min-height: 400px;
    object-fit: cover;
    object-position: center;
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.15);
    border-radius: 1.5rem;
}

.pain-point:hover .icon-box {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: scale(1.1) rotate(5deg);
}

.pain-point p {
    font-size: 1.125rem;
    color: var(--color-title);
    font-weight: 500;
    padding-top: 0;
    margin: 0;
}

/* Product Details Specs */
.specs-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.specs-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.125rem;
    color: var(--color-body);
}

.icon-box-small {
    width: 40px;
    height: 40px;
    background-color: rgba(192, 27, 132, 0.05);
    color: var(--color-accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* Visual Lifestyle */
.visual-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.lifestyle-img {
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.dynamic-img {
    border-radius: 1.5rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* Features Layout */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: var(--color-white);
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3.5rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.feature-card p {
    font-size: 1.25rem;
    color: var(--color-title);
    font-weight: 500;
}

/* Colors Interactive Section */
.colors-interactive-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
}

.colors-preview {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2.5rem;
    width: 100%;
    min-height: 500px;
    background: var(--color-bg-gray);
    border-radius: 1.5rem;
    border: 1px solid var(--color-border);
}

.colors-preview .dynamic-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 25px 40px rgba(0,0,0,0.12));
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.color-transition {
    transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
}

.color-transition.fade {
    opacity: 0;
    transform: scale(0.98);
}

.colors-selector-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.selector-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-title) !important;
}

.selector-subtitle {
    color: var(--color-body);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.color-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.color-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.color-btn:hover {
    border-color: #a0aec0;
    background: #f8fafc;
}

.color-btn.active {
    border-color: var(--color-accent);
    background: rgba(192, 27, 132, 0.03);
    box-shadow: 0 0 0 1px var(--color-accent);
}

.swatch-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-white);
    box-shadow: 0 0 0 1px rgba(0,0,0,0.15);
    flex-shrink: 0;
}

.swatch-name {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-title);
    font-family: var(--font-primary);
}

.selected-color-label {
    font-size: 0.95rem;
    color: var(--color-body);
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.selected-color-label strong {
    color: var(--color-title);
    font-weight: 600;
}

.desk-complement {
    margin-top: 2rem;
}

/* Minimalist Apple-style Colors Section */
.apple-colors-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.apple-colors-preview {
    position: relative;
    width: 100%;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.apple-color-options {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 1rem;
}

.apple-color-options .color-btn {
    border: none;
    background: transparent;
    padding: 0;
    width: auto;
    border-radius: 50%;
    position: relative;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.apple-color-options .color-btn:hover {
    transform: scale(1.1);
}

.apple-color-options .color-btn::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: var(--transition-base);
}

.apple-color-options .color-btn.active::after {
    border-color: var(--color-accent);
}

.apple-color-options .swatch-circle {
    width: 48px;
    height: 48px;
    border: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    display: block;
}

.apple-selected-label {
    font-size: 1rem;
    color: var(--color-body);
}

.apple-selected-label strong {
    color: var(--color-title);
    font-size: 1.25rem;
    display: block;
    margin-top: 0.5rem;
}

.desk-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem;
    background: var(--color-bg-gray);
    border-radius: 0.75rem;
    border: 1px solid var(--color-border);
}

.desk-thumb {
    width: 80px;
    height: 80px;
    object-fit: contain;
    background: var(--color-white);
    border-radius: 0.5rem;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
}

.desk-info h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1.05rem;
    color: var(--color-title) !important;
}

.desk-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-body);
    line-height: 1.4;
}

/* Technical Specs Update */
.single-spec-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.split-spec-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.spec-side, .spec-full {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.specs-image-side img {
    border-radius: 1.5rem;
    width: 100%;
}

.grid-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.specs-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    color: var(--color-accent);
}

.specs-header i {
    font-size: 2.5rem;
}

.specs-header h2 {
    color: var(--color-title);
    font-size: 1.5rem;
}

/* Measurements Table */
.measurements-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.measurements-table td {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-body);
    font-size: 1.125rem;
}

.measurements-table tr:last-child td {
    border-bottom: none;
    padding-bottom: 0;
}

.measurements-table td:last-child {
    text-align: right;
    color: var(--color-title);
}

/* FAQ Section */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-title);
    text-align: left;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-question i {
    font-size: 1.5rem;
    color: var(--color-accent);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px; /* Arbitrary high value for slide down */
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: var(--color-body);
}

/* Final CTA */
.final-cta-section {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}
.cta-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: 1rem;
}

/* =========================================
   ANIMATIONS & REVEAL EFFECTS
   ========================================= */

.marquee {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 25s linear infinite;
}

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

[class*="reveal-"] {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

[class*="reveal-"].active {
    opacity: 1;
    transform: translate(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

/* =========================================
   RESPONSIVE DESIGN (MOBILE FIRST OVERRIDES)
   ========================================= */
@media (max-width: 992px) {
    .hero-container, .problem-container, .colors-interactive-container, .split-spec-wrapper, .features-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .colors-interactive-container {
        padding: 1.5rem;
        gap: 2rem;
    }
    
    .color-btn {
        text-align: left;
    }
    
    .desk-card {
        text-align: left;
    }

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

    .pain-point {
        text-align: left;
    }

    .problem-content {
        order: -1;
    }

    .hero-content {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-cta {
        display: none; /* Hide top CTA on small mobile if needed, or keep smaller */
    }

    .hero-fullscreen {
        background-color: var(--color-bg-gray);
        min-height: auto;
        padding-bottom: 2rem;
        align-items: flex-start;
    }

    .hero-fullscreen::before {
        display: block;
        background-size: 100% auto;
        background-position: top center;
    }

    .hero-overlay {
        background: linear-gradient(to bottom, rgba(248,250,252,0) 0%, rgba(248,250,252,0) 65vw, var(--color-bg-gray) 85vw, var(--color-bg-gray) 100%);
    }

    .hero-container-text {
        padding-top: calc(var(--nav-height) + 65vw);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .sticky-whatsapp {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}