/* ============================================
   DIAMOND DESK — PREMIUM DESIGN SYSTEM
   Squarespace-inspired, luxury diamond aesthetic
   ============================================ */

/* ---- CSS VARIABLES ---- */
:root {
    /* Colors - Luxury Dark + Gold */
    --color-bg: #0a0a0a;
    --color-bg-alt: #111111;
    --color-bg-card: #161616;
    --color-surface: #1a1a1a;
    --color-white: #ffffff;
    --color-text: #e8e8e8;
    --color-text-muted: #888888;
    --color-text-subtle: #666666;
    --color-accent: #c9a96e;
    --color-accent-light: #d4b87a;
    --color-accent-dark: #b08d52;
    --color-green: #064e3b;
    --color-green-light: #0f7a5f;
    --color-whatsapp: #25d366;
    --color-border: rgba(255,255,255,0.08);
    --color-border-light: rgba(255,255,255,0.12);
    --nav-bg-scrolled: rgba(10, 10, 10, 0.92);
    --hero-overlay-top: rgba(0,0,0,0.55);
    --hero-overlay-mid: rgba(0,0,0,0.35);
    --hero-overlay-bottom: rgba(10,10,10,1);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
    --logo-bg: #ffffff;
    --logo-filter: none;
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;
    --container-wide: 1400px;
    
    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-base: 0.3s var(--ease-out);
    --transition-slow: 0.6s var(--ease-out);
    
    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ---- LIGHT / WHITE THEME ---- */
[data-theme="light"] {
    --color-bg: #ffffff;
    --color-bg-alt: #f7f7f5;
    --color-bg-card: #f0eeeb;
    --color-surface: #f5f3f0;
    --color-white: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #5a5a5a;
    --color-text-subtle: #888888;
    --color-accent: #b08d52;
    --color-accent-light: #c9a96e;
    --color-accent-dark: #8b6f3a;
    --color-border: rgba(0,0,0,0.08);
    --color-border-light: rgba(0,0,0,0.12);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.95);
    --hero-overlay-top: rgba(255,255,255,0.25);
    --hero-overlay-mid: rgba(255,255,255,0.10);
    --hero-overlay-bottom: rgba(255,255,255,1);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
    --logo-bg: transparent;
    --logo-filter: none;
}

/* Light theme specific overrides */
[data-theme="light"] .nav.scrolled {
    background: var(--nav-bg-scrolled);
    border-bottom: 1px solid rgba(0,0,0,0.08);
}

[data-theme="light"] .nav-link {
    color: #1a1a1a;
}

[data-theme="light"] .nav-cta {
    border-color: var(--color-accent);
    color: var(--color-accent-dark);
}

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

[data-theme="light"] .hero-overlay {
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0.15) 0%,
        rgba(255,255,255,0.05) 40%,
        rgba(255,255,255,0.35) 70%,
        rgba(255,255,255,1) 100%
    ) !important;
}

[data-theme="light"] .hero-title,
[data-theme="light"] .hero-subtitle,
[data-theme="light"] .hero-eyebrow {
    color: #ffffff;
    text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

[data-theme="light"] .hero .btn {
    text-shadow: none;
}

[data-theme="light"] .logo-img {
    background: transparent;
    padding: 0;
}

[data-theme="light"] .offer-card,
[data-theme="light"] .process-step,
[data-theme="light"] .cert-badge,
[data-theme="light"] .shape-card {
    background: var(--color-surface);
    border-color: var(--color-border);
    box-shadow: var(--shadow-card);
}

[data-theme="light"] .offer-card:hover,
[data-theme="light"] .shape-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 32px rgba(176,141,82,0.12);
}

[data-theme="light"] .footer {
    background: #1a1a1a;
    color: #e8e8e8;
}

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

[data-theme="light"] .footer h4 {
    color: var(--color-accent-light);
}

[data-theme="light"] .footer-bottom {
    border-top-color: rgba(255,255,255,0.1);
}

[data-theme="light"] .whatsapp-float a {
    box-shadow: 0 4px 16px rgba(37,211,102,0.3);
}

[data-theme="light"] .nav-toggle span {
    background: #1a1a1a;
}

[data-theme="light"] .section-dark {
    background: var(--color-bg-alt);
}

[data-theme="light"] .page-hero {
    background: var(--color-bg);
}

[data-theme="light"] .page-hero::after {
    background: linear-gradient(to top, var(--color-bg-alt), transparent);
}

[data-theme="light"] .form-control {
    background: #ffffff;
    border-color: rgba(0,0,0,0.15);
    color: #1a1a1a;
}

[data-theme="light"] .form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(176,141,82,0.15);
}

[data-theme="light"] .btn-primary {
    color: #ffffff;
}

[data-theme="light"] .contact-info-card {
    background: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="light"] .image-frame {
    box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}

/* ---- THEME TOGGLE SWITCH ---- */
.theme-toggle {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    margin-left: 12px;
    flex-shrink: 0;
}

.theme-toggle::after {
    content: '';
    position: absolute;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--color-accent);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

[data-theme="light"] .theme-toggle::after {
    transform: translateX(20px);
}

.theme-toggle-icon {
    position: absolute;
    font-size: 11px;
    line-height: 1;
    z-index: 1;
    pointer-events: none;
}

.theme-toggle-icon.moon {
    left: 5px;
}

.theme-toggle-icon.sun {
    right: 5px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: clip;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    width: 100%;
    min-height: 100vh;
}

*, *::before, *::after {
    box-sizing: border-box;
    max-width: 100%;
}

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

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

ul, ol {
    list-style: none;
}

address {
    font-style: normal;
}

/* ---- UTILITIES ---- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    overflow-x: hidden;
}

.container-wide {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 24px;
    overflow-x: hidden;
}

.text-accent {
    color: var(--color-accent);
}

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

/* ---- NAVIGATION ---- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    transition: all 0.4s var(--ease-out);
    background: transparent;
}

.nav.scrolled {
    background: var(--nav-bg-scrolled);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    height: 65px;
}

.nav-container {
    max-width: var(--container-wide);
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo-img {
    height: 300px;
    width: auto;
    max-width: 600px;
    object-fit: contain;
    margin: -115px 0;
}

.logo-text {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 4px;
    color: var(--color-white);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.75);
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #ffffff;
}

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

.nav-link.active {
    color: var(--color-accent);
    font-weight: 600;
}

.nav-link.active::after {
    width: 100%;
    height: 2px;
    background: var(--color-accent);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-cta {
    padding: 10px 28px;
    background: var(--color-accent);
    color: var(--color-bg);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 50px;
    transition: all var(--transition-base);
}

.nav-cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(201, 169, 110, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1100;
    position: relative;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-white);
    transition: all 0.3s ease;
    transform-origin: center;
}

/* ---- HERO SECTION ---- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video-wrapper {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.55) 0%,
        rgba(0,0,0,0.35) 40%,
        rgba(0,0,0,0.55) 70%,
        rgba(10,10,10,1) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 300;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: 24px;
}

.hero-title-accent {
    font-weight: 400;
    font-style: italic;
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 2;
}

.hero-scroll span {
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(201, 169, 110, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-text {
    background: none;
    padding: 0;
    color: var(--color-accent);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: none;
    border-radius: 0;
}

.btn-text:hover {
    color: var(--color-accent-light);
}

.btn-whatsapp {
    background: var(--color-whatsapp);
    color: white;
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.25);
}

.btn-lg {
    padding: 18px 44px;
    font-size: 0.9rem;
}

/* ---- TRUST BAR ---- */
.trust-bar {
    padding: 60px 0;
    border-bottom: 1px solid var(--color-border);
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.trust-item:hover {
    background: var(--color-surface);
}

.trust-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(201, 169, 110, 0.1);
    color: var(--color-accent);
}

.trust-text strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 2px;
}

.trust-text span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ---- SECTIONS ---- */
.section {
    padding: var(--section-padding) 0;
}

.section-dark {
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    font-weight: 300;
}

.section-desc {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.section-cta {
    text-align: center;
    margin-top: 60px;
}

/* ---- SPLIT CONTENT ---- */
.split-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.split-content.reverse {
    direction: rtl;
}

.split-content.reverse > * {
    direction: ltr;
}

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

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out);
}

.image-frame:hover img {
    transform: scale(1.05);
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
    letter-spacing: 1px;
}

/* ---- VIDEO FRAME ---- */
.video-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

.video-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-features {
    list-style: none;
    padding: 0;
    margin: 24px 0 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.video-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--color-text);
}

.video-features li svg {
    flex-shrink: 0;
}

/* ---- DIAMOND SHAPES ---- */
.shapes-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 24px;
}

.shape-card {
    text-align: center;
    padding: 24px 12px;
    border-radius: var(--radius-lg);
    background: transparent;
    border: none;
    transition: all var(--transition-base);
    cursor: pointer;
}

.shape-card:hover {
    transform: translateY(-12px);
}

.shape-img-wrapper {
    width: 120px;
    height: 120px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    position: relative;
}

.shape-card:hover .shape-img-wrapper {
    filter: drop-shadow(0 0 30px rgba(201, 169, 110, 0.5));
}

.shape-img-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: all 0.5s var(--ease-out);
    filter: drop-shadow(0 4px 12px rgba(201, 169, 110, 0.15));
}

.shape-card:hover .shape-img-wrapper img {
    transform: scale(1.15) rotate(3deg);
    filter: drop-shadow(0 0 24px rgba(201, 169, 110, 0.4));
}

/* Shine on click */
.shape-card.shine .shape-img-wrapper img {
    filter: drop-shadow(0 0 40px rgba(255, 223, 140, 0.9)) brightness(1.3);
    transform: scale(1.2);
}

.shape-card.shine .shape-img-wrapper::after {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201,169,110,0.3) 0%, transparent 70%);
    animation: shineGlow 0.6s ease-out forwards;
}

@keyframes shineGlow {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.shape-name {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    transition: color var(--transition-base);
}

.shape-card:hover .shape-name {
    color: var(--color-accent);
}

/* ---- OFFER GRID ---- */
.offer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.offer-card {
    padding: 40px 32px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.offer-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.offer-icon {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 48px;
    height: 48px;
    background: rgba(201, 169, 110, 0.08);
    border-radius: 12px;
    padding: 6px;
}

.offer-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 12px;
}

.offer-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ---- PROCESS STEPS ---- */
.process-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.process-step {
    text-align: center;
    padding: 40px 24px;
    position: relative;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--color-accent);
    opacity: 0.4;
    margin-bottom: 16px;
    line-height: 1;
}

.step-line {
    width: 40px;
    height: 1px;
    background: var(--color-accent);
    margin: 0 auto 20px;
}

.process-step h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 12px;
}

.process-step p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ---- CERTIFICATION BADGES ---- */
.cert-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0;
}

.cert-badge {
    padding: 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.cert-badge:hover {
    border-color: var(--color-accent);
}

.cert-name {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.cert-full {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ---- RECEIVE GRID ---- */
.receive-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.receive-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.receive-item:hover {
    border-color: var(--color-accent);
    transform: translateX(4px);
}

.receive-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
}

.receive-item span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ---- CTA SECTION ---- */
.cta-section {
    position: relative;
    padding: 160px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.85);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---- FOOTER ---- */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.footer-logo img {
    height: 250px;
    width: auto;
    max-width: 500px;
    object-fit: contain;
}

.footer-logo span {
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--color-white);
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 320px;
}

.footer-links-col h4,
.footer-contact h4 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer-links-col li {
    margin-bottom: 10px;
}

.footer-links-col a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.footer-links-col a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact address {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-contact-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-contact-links a {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.footer-contact-links a svg {
    flex-shrink: 0;
}

.footer-bottom {
    padding-top: 48px;
    margin-top: 20px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-text-subtle);
}

.footer-tagline {
    letter-spacing: 1px;
}

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
}

.whatsapp-float a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
}

.whatsapp-float a:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
    position: absolute;
    bottom: 72px;
    right: -10px;
    background: var(--color-white);
    color: #1a1a1a;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    line-height: 1.5;
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateY(8px);
    transition: all var(--transition-base);
    pointer-events: none;
    max-width: calc(100vw - 80px);
    white-space: normal;
    min-width: 180px;
    text-align: center;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: 30px;
    width: 12px;
    height: 12px;
    background: var(--color-white);
    transform: rotate(45deg);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
    .shapes-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .offer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav {
        padding: 0 16px;
        height: 65px;
    }

    .nav.scrolled {
        height: 60px;
    }
    
    .nav-container {
        position: relative;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 28px;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: all 0.4s ease;
        z-index: 1050;
    }
    
    .nav-links.open {
        opacity: 1;
        visibility: visible;
        pointer-events: all;
    }
    
    .nav-link {
        font-size: 1.3rem;
        letter-spacing: 3px;
        padding: 12px 0;
    }

    .nav-link::after {
        bottom: 4px;
    }
    
    .nav-toggle {
        display: flex !important;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .nav-cta {
        display: none;
    }

    .nav-actions {
        z-index: 1100;
    }
    
    .logo-img {
        height: 150px;
        max-width: 350px;
        margin: -45px 0;
    }
    
    .hero-title {
        font-size: clamp(2rem, 7vw, 3rem);
    }
    
    .hero-scroll {
        display: none;
    }
    
    .trust-items {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .trust-item {
        padding: 16px;
    }
    
    .section {
        overflow: hidden;
        max-width: 100vw;
    }
    
    .nav {
        max-width: 100vw;
        overflow: hidden;
    }
    
    iframe, video, img, svg {
        max-width: 100% !important;
    }
    
    .footer {
        overflow: hidden;
    }
    
    .split-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .split-content.reverse {
        direction: ltr;
    }
    
    .shapes-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .shape-img-wrapper {
        width: 70px;
        height: 70px;
    }
    
    .offer-grid {
        grid-template-columns: 1fr !important;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .receive-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-badges {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .cta-section {
        padding: 80px 0;
    }

    .page-hero {
        padding: 100px 0 40px;
    }

    .page-hero .hero-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

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

    .section-title {
        font-size: clamp(1.6rem, 5vw, 2.2rem);
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .whatsapp-float {
        bottom: 16px;
        right: 16px;
    }
}

@media (max-width: 480px) {
    .trust-items {
        grid-template-columns: 1fr;
    }
    
    .shapes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ========== PAGE-SPECIFIC: ABOUT ========== */
.page-hero {
    padding: 120px 0 60px;
    text-align: center;
    background: var(--color-bg);
    position: relative;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--color-bg-alt), transparent);
    pointer-events: none;
}

.page-hero .hero-eyebrow {
    margin-bottom: 20px;
}

.page-hero .hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 20px;
}

.page-hero .hero-subtitle {
    max-width: 600px;
    margin: 0 auto;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-border-light);
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 80px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 24px;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px var(--color-bg-alt), 0 0 0 5px var(--color-accent);
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 2;
}

.timeline-item:nth-child(even) .timeline-visual {
    grid-column: 1;
    grid-row: 1;
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--color-white);
    margin-bottom: 12px;
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    padding: 80px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* ========== PAGE-SPECIFIC: DIAMONDS ========== */
.diamond-filter {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

.diamond-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.diamond-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.diamond-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.diamond-card-img {
    aspect-ratio: 1;
    overflow: hidden;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
}

.diamond-card-img img {
    max-width: 70%;
    transition: transform 0.5s var(--ease-out);
    filter: drop-shadow(0 8px 24px rgba(201, 169, 110, 0.1));
}

.diamond-card:hover .diamond-card-img img {
    transform: scale(1.1) rotate(5deg);
}

.diamond-card-info {
    padding: 24px;
}

.diamond-card-info h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-white);
    margin-bottom: 8px;
}

.diamond-card-info p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.diamond-card-info .btn {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 0.75rem;
}

/* ========== PAGE-SPECIFIC: CONTACT ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info-card {
    padding: 32px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}

.contact-info-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-white);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info-card h3 svg {
    flex-shrink: 0;
}

.contact-info-card p,
.contact-info-card address {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.contact-info-card a {
    color: var(--color-accent);
}

.contact-info-card a:hover {
    color: var(--color-accent-light);
}

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: border-color var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-control::placeholder {
    color: var(--color-text-subtle);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='%23888'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

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

.form-note {
    font-size: 0.8rem;
    color: var(--color-text-subtle);
    margin-top: 16px;
    line-height: 1.6;
}

/* Map embed */
.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 300px;
    margin-top: 24px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: invert(0.9) hue-rotate(180deg);
}

/* ========== RESPONSIVE: Page-specific ========== */
@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 60px;
        gap: 24px;
    }
    
    .timeline-item::before {
        left: 20px;
    }
    
    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(even) .timeline-visual {
        grid-column: 1;
        grid-row: auto;
    }
    
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    
    .diamond-showcase {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .diamond-showcase {
        grid-template-columns: 1fr;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
    }
}

/* ========== MELEE STONE CLARITY TOGGLE ========== */
.clarity-options {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.clarity-chip {
    padding: 8px 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.clarity-chip:hover,
.clarity-chip.active {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

/* ========== GIA COLOR SCALE ========== */
.gia-color-scale {
    margin-top: 8px;
    overflow-x: auto;
}

.gia-scale-row {
    display: flex;
    gap: 0;
    min-width: fit-content;
}

.gia-grade {
    flex: 1;
    min-width: 28px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-bg);
    background: #e8e4de;
    border: 1px solid rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.gia-grade:first-child {
    border-radius: 6px 0 0 6px;
}

.gia-grade:last-child {
    border-radius: 0 6px 6px 0;
}

.gia-grade:hover {
    background: var(--color-accent);
    color: white;
    transform: scaleY(1.15);
    z-index: 2;
}

.gia-grade.selected {
    background: var(--color-accent);
    color: white;
    box-shadow: 0 0 0 2px var(--color-accent), 0 2px 8px rgba(201,169,110,0.4);
    z-index: 3;
    transform: scaleY(1.1);
}

.gia-scale-labels {
    display: flex;
    gap: 0;
    margin-top: 6px;
    min-width: fit-content;
}

.gia-label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-accent);
    text-align: center;
    padding: 4px 0;
    border-top: 2px solid var(--color-accent);
}

@media (max-width: 768px) {
    .gia-color-scale {
        -webkit-overflow-scrolling: touch;
    }
    
    .gia-grade {
        min-width: 24px;
        height: 32px;
        font-size: 0.6rem;
    }
    
    .gia-label {
        font-size: 0.5rem;
    }
}