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

:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #3b82f6;
    --accent-dark: #2563eb;
    --accent-light: #60a5fa;
    --green: #10b981;
    --orange: #f59e0b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --text: #0f172a;
    --text-light: #64748b;
    --border: #e2e8f0;
    --card: #ffffff;
    --gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

/* Dark Mode */
[data-theme="dark"] {
    --bg: #0b0f1a;
    --bg-alt: #111827;
    --text: #e2e8f0;
    --text-light: #94a3b8;
    --border: #1e293b;
    --card: #1a1f2e;
}

[data-theme="dark"] .navbar {
    background: rgba(11,15,26,0.85);
    border-bottom-color: rgba(255,255,255,0.06);
}

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

[data-theme="dark"] .mini-card,
[data-theme="dark"] .about-card,
[data-theme="dark"] .reason-card {
    background: var(--card);
    border-color: var(--border);
}

[data-theme="dark"] .hero-stats {
    background: var(--card);
    border-color: var(--border);
}

[data-theme="dark"] .tech-grid {
    background: var(--border);
    border-color: var(--border);
}

[data-theme="dark"] .tech-item { background: var(--card); }
[data-theme="dark"] .contact-form-wrapper { background: var(--card); }
[data-theme="dark"] .form-title { color: var(--text); }
[data-theme="dark"] .form-label { color: var(--text); }

[data-theme="dark"] .form-input {
    background: var(--bg-alt);
    border-color: var(--border);
    color: var(--text);
}

[data-theme="dark"] .btn-outline {
    border-color: var(--border);
    color: var(--text);
}

[data-theme="dark"] .nav-links a { color: rgba(226,232,240,0.75); }
[data-theme="dark"] .nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }

[data-theme="dark"] .hero-bg {
    background:
        radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(139,92,246,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(16,185,129,0.06) 0%, transparent 50%);
}

[data-theme="dark"] .hero-badge { background: rgba(59,130,246,0.15); }
[data-theme="dark"] .hamburger span { background: var(--text); }

[data-theme="dark"] .nav-links {
    background: transparent;
    border-bottom-color: transparent;
}

[data-theme="dark"] .logo { color: var(--text); }
[data-theme="dark"] .footer-brand .logo-text { color: #fff; }

[data-theme="dark"] .section-divider svg { fill: var(--bg-alt); }
[data-theme="dark"] .section-divider.to-dark svg { fill: var(--primary); }
[data-theme="dark"] .section-divider.from-dark svg { fill: var(--bg-alt); }
[data-theme="dark"] .section-divider.to-gradient svg { fill: var(--primary); }

[data-theme="dark"] .orbit-label {
    background: var(--card);
    border-color: var(--border);
    color: var(--text);
}

html { scroll-behavior: smooth; }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== NAVBAR (Modern Glassmorphism) ========== */
.navbar {
    position: fixed;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1200px;
    z-index: 1000;
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0,0,0,0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    top: 8px;
    background: rgba(255,255,255,0.88);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    border-color: rgba(255,255,255,0.7);
}

[data-theme="dark"] .navbar {
    background: rgba(11,15,26,0.72);
    border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(11,15,26,0.88);
    border-color: rgba(255,255,255,0.1);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
}

.logo-diamond {
    font-size: 22px;
    color: var(--accent);
    filter: drop-shadow(0 0 6px rgba(59,130,246,0.4));
}

.logo-text {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: -0.5px;
}

.logo-text strong { font-weight: 800; }

.logo-badge {
    font-size: 9px;
    font-weight: 700;
    background: var(--gradient);
    color: #fff;
    padding: 2px 7px;
    border-radius: 4px;
    letter-spacing: 1.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-links a:hover {
    color: var(--text);
    background: rgba(59,130,246,0.06);
}

.nav-links a.btn-nav {
    background: var(--gradient);
    color: #fff !important;
    padding: 8px 18px;
    border-radius: 10px;
    font-size: 13px;
    box-shadow: 0 2px 10px rgba(59,130,246,0.3);
}

.nav-links a.btn-nav:hover {
    box-shadow: 0 4px 16px rgba(59,130,246,0.45);
    transform: translateY(-1px);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s;
}

.hamburger:hover { background: rgba(0,0,0,0.05); }

.hamburger span {
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

/* Theme Toggle */
.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s;
    position: relative;
}

.theme-toggle:hover {
    border-color: var(--accent);
    background: rgba(59,130,246,0.08);
}

.theme-icon-light,
.theme-icon-dark {
    position: absolute;
    transition: opacity 0.3s, transform 0.3s;
}

.theme-icon-dark {
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="dark"] .theme-icon-light {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="dark"] .theme-icon-dark {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="dark"] .theme-toggle {
    border-color: var(--border);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 14px rgba(59,130,246,0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(59,130,246,0.5);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-white {
    background: #fff;
    color: var(--primary);
}

.btn-white:hover { background: #f1f5f9; }

.btn-outline-white {
    border: 2px solid rgba(255,255,255,0.4);
    color: #fff;
    background: transparent;
}

.btn-outline-white:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}

.btn-lg { padding: 14px 32px; font-size: 16px; }

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 40px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(139,92,246,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(16,185,129,0.04) 0%, transparent 50%);
    z-index: -1;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(59,130,246,0.1);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

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

.hero-subtitle {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
}

/* ========== MARBLE CUTTING ANIMATION ========== */
.cutting-scene {
    position: relative;
    width: 100%;
    max-width: 700px;
    height: 320px;
    margin: 0 auto 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Saw blade */
.saw-blade {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
}

.saw-disc {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid var(--accent);
    border-top-color: transparent;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
    animation: saw-spin 0.6s linear infinite;
    box-shadow: 0 0 20px rgba(59,130,246,0.3), 0 0 40px rgba(59,130,246,0.1);
}

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

.saw-sparks {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.saw-sparks span {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-light);
    border-radius: 50%;
    animation: spark 1.2s ease-out infinite;
}

.saw-sparks span:nth-child(1) { animation-delay: 0s; left: -6px; }
.saw-sparks span:nth-child(2) { animation-delay: 0.2s; left: 0; }
.saw-sparks span:nth-child(3) { animation-delay: 0.4s; left: 6px; }
.saw-sparks span:nth-child(4) { animation-delay: 0.6s; left: -3px; }
.saw-sparks span:nth-child(5) { animation-delay: 0.8s; left: 3px; }

@keyframes spark {
    0% { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(30px) translateX(var(--sx, 8px)) scale(0); }
}

.saw-sparks span:nth-child(1) { --sx: -12px; }
.saw-sparks span:nth-child(2) { --sx: 0px; }
.saw-sparks span:nth-child(3) { --sx: 14px; }
.saw-sparks span:nth-child(4) { --sx: -8px; }
.saw-sparks span:nth-child(5) { --sx: 10px; }

/* Marble block slices */
.marble-block-group {
    display: flex;
    align-items: center;
    gap: 4px;
    perspective: 800px;
}

.marble-slice {
    width: 56px;
    height: 180px;
    position: relative;
    animation: slice-separate 8s ease-in-out infinite;
    animation-delay: var(--delay);
}

.slice-face {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    background:
        linear-gradient(170deg, #f5f0eb 0%, #e8ddd4 25%, #d6ccc2 50%, #c9bdb0 75%, #f0e8e0 100%);
    position: relative;
    overflow: hidden;
    box-shadow:
        inset 0 0 20px rgba(0,0,0,0.05),
        2px 4px 16px rgba(0,0,0,0.08);
    border: 1px solid rgba(210,200,185,0.5);
}

.slice-face::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        url("data:image/svg+xml,%3Csvg width='60' height='200' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10,0 Q30,40 15,80 T35,160 Q20,180 25,200' stroke='%23c4b09a' fill='none' stroke-width='1.2' opacity='0.35'/%3E%3Cpath d='M40,10 Q25,60 35,110 T20,190' stroke='%23b8a690' fill='none' stroke-width='0.8' opacity='0.25'/%3E%3C/svg%3E");
    background-size: cover;
    opacity: 0.7;
}

.slice-face::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.25) 0%, transparent 40%, rgba(0,0,0,0.03) 100%);
}

[data-theme="dark"] .slice-face {
    background: linear-gradient(170deg, #3a3530 0%, #2e2a26 25%, #252220 50%, #2e2a26 75%, #3a3530 100%);
    border-color: rgba(80,70,60,0.5);
}

[data-theme="dark"] .slice-face::before { opacity: 0.4; }

.slice-label {
    position: absolute;
    bottom: -36px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    animation: label-appear 8s ease-in-out infinite;
    animation-delay: var(--delay);
}

[data-theme="dark"] .slice-label {
    background: var(--card);
    border-color: var(--border);
    color: var(--text);
}

.slice-label span { font-size: 12px; }

@keyframes slice-separate {
    0%, 20% { transform: translateX(0) translateY(0); }
    35%, 65% { transform: translateX(calc(var(--i) * 3px - 12px)) translateY(calc(var(--i) * -2px + 8px)); }
    80%, 100% { transform: translateX(0) translateY(0); }
}

@keyframes label-appear {
    0%, 25% { opacity: 0; transform: translateX(-50%) translateY(6px); }
    40%, 60% { opacity: 1; transform: translateX(-50%) translateY(0); }
    75%, 100% { opacity: 0; transform: translateX(-50%) translateY(6px); }
}

/* Vertical cut lines */
.cut-lines {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 540px;
    height: 180px;
    pointer-events: none;
}

.cut-line {
    position: absolute;
    top: 0;
    height: 100%;
    width: 1px;
    background: linear-gradient(180deg, var(--accent), rgba(59,130,246,0.1));
    opacity: 0;
    left: calc(var(--i) * 60px);
    animation: cut-flash 8s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.3s);
}

@keyframes cut-flash {
    0%, 15% { opacity: 0; }
    20% { opacity: 0.5; }
    25%, 100% { opacity: 0; }
}

/* ========== HERO STATS ========== */
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 32px 48px;
    background: var(--bg);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.stat { text-align: center; }

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
    margin-top: 2px;
}

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

/* ========== SECTION DIVIDERS ========== */
.section-divider {
    position: relative;
    height: 60px;
    overflow: hidden;
    margin-top: -1px;
    z-index: 5;
}

.section-divider svg {
    display: block;
    width: 100%;
    height: 100%;
    fill: var(--bg-alt);
}

.section-divider.to-dark svg { fill: var(--primary); }
.section-divider.from-dark svg { fill: var(--bg-alt); }
.section-divider.to-gradient svg {
    fill: #1e293b;
}
.section-divider.from-gradient svg { fill: var(--bg-alt); }
.section-divider.to-cta svg { fill: #3b82f6; }
.section-divider.from-cta svg { fill: var(--primary); }

/* ========== SECTIONS ========== */
.section { padding: 100px 0; position: relative; }
.section-light { background: var(--bg-alt); }
.section-dark { background: var(--primary); }

.section-gradient {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #1a1a2e 100%);
}

.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }

.section-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-badge.light { color: var(--accent-light); }

.section-title {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
    line-height: 1.2;
}

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

.section-desc {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    line-height: 1.7;
}

.section-desc.light { color: rgba(255,255,255,0.6); }

.section-header.center .section-desc {
    margin-left: auto;
    margin-right: auto;
}

/* Vizyon Grid */
.vizyon-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.vizyon-text .section-desc { margin-bottom: 16px; }

.vizyon-cards { display: flex; flex-direction: column; gap: 16px; }

.mini-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.mini-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(59,130,246,0.1);
}

.mini-card-icon { font-size: 28px; flex-shrink: 0; }
.mini-card-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.mini-card-desc { font-size: 13px; color: var(--text-light); line-height: 1.5; }

/* Module Cards */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.module-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
}

.module-card::after {
    content: "Detay \2192";
    position: absolute;
    bottom: 12px;
    right: 16px;
    font-size: 11px;
    color: var(--accent-light);
    opacity: 0;
    transition: opacity 0.2s;
}

.module-card:hover::after { opacity: 1; }

.module-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(59,130,246,0.4);
    transform: translateY(-4px);
}

.module-icon { font-size: 32px; margin-bottom: 16px; }

.module-title {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.module-desc {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 16px;
    font-style: italic;
}

.module-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.module-features li {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    padding-left: 20px;
    position: relative;
}

.module-features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
    font-size: 12px;
}

/* Reasons Grid */
.reasons-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.reason-card {
    padding: 28px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: #fff;
    transition: all 0.3s;
}

.reason-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(59,130,246,0.1);
    transform: translateY(-4px);
}

.reason-icon { font-size: 32px; margin-bottom: 16px; }

.reason-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
}

.reason-card p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Journey / Timeline */
.journey {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.journey-step {
    text-align: center;
    flex: 0 0 auto;
    width: 130px;
}

.journey-number {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    margin: 0 auto 12px;
    box-shadow: 0 4px 14px rgba(59,130,246,0.4);
}

.journey-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.journey-desc {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    line-height: 1.4;
}

.journey-connector {
    width: 32px;
    height: 2px;
    background: rgba(255,255,255,0.2);
    margin-top: 24px;
    flex-shrink: 0;
}

/* Tech Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.tech-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    background: #fff;
}

[data-theme="dark"] .tech-item { background: var(--card); }

.tech-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.tech-value {
    font-size: 14px;
    color: var(--text-light);
    text-align: right;
}

/* CTA Section */
.section-cta {
    background: var(--gradient);
    padding: 100px 0;
    text-align: center;
}

.cta-title {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.cta-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

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

/* Footer */
.footer {
    background: var(--primary);
    color: rgba(255,255,255,0.6);
    padding: 64px 0 32px;
}

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

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: #fff; }
.footer-desc { font-size: 14px; line-height: 1.6; }

.footer-links h4 {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 13px;
    padding: 4px 0;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    font-size: 13px;
}

/* About Cards */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.about-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
}

.about-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(59,130,246,0.1);
    transform: translateY(-4px);
}

.about-icon { font-size: 40px; margin-bottom: 16px; }

.about-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon { font-size: 24px; }

.contact-label {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.contact-value {
    font-size: 15px;
    color: #fff;
    font-weight: 500;
}

/* Contact Form */
.contact-form-wrapper {
    background: #fff;
    border-radius: 20px;
    padding: 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.form-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 24px;
}

.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    color: var(--text);
    background: var(--bg-alt);
}

.form-input:focus { border-color: var(--accent); }

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

.form-note {
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
    margin-top: 12px;
}

.center { text-align: center; }

/* ========== MODULE MODAL ========== */
/* ========== MODULE PAGE TRANSITION ========== */
.module-page {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: var(--bg);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.module-page.active {
    transform: translateX(0);
}

.module-page.closing {
    transform: translateX(100%);
}

.module-page-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 40px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.module-page-back {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 10px;
    transition: all 0.2s;
    font-family: inherit;
}

.module-page-back:hover {
    background: var(--bg-alt);
}

.back-arrow {
    font-size: 20px;
    transition: transform 0.2s;
}

.module-page-back:hover .back-arrow {
    transform: translateX(-4px);
}

.module-page-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.module-page-nav-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--text);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-family: inherit;
}

.module-page-nav-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.module-page-nav-label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
    min-width: 50px;
    text-align: center;
}

.module-page-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 40px 80px;
    min-height: calc(100vh - 70px);
    align-items: center;
}

.module-page-left {
    opacity: 0;
    transform: translateY(30px);
    animation: mpFadeUp 0.6s 0.2s ease forwards;
}

.module-page-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.module-page-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.2;
}

.module-page-desc {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 32px;
}

.module-page-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 36px;
}

.mp-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text);
    opacity: 0;
    transform: translateX(-20px);
    animation: mpFeatureIn 0.4s ease forwards;
}

.mp-feature-check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(16,185,129,0.12);
    color: var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.module-page-cta {
    display: inline-flex;
    margin-top: 8px;
}

.module-page-right {
    opacity: 0;
    transform: translateX(40px) scale(0.95);
    animation: mpSlideIn 0.7s 0.3s ease forwards;
}

.module-page-preview {
    background: var(--primary);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.2);
}

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

@keyframes mpSlideIn {
    to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes mpFeatureIn {
    to { opacity: 1; transform: translateX(0); }
}

/* Preview screen inside module page */
.modal-preview-screen {
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
    background: var(--card);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.08);
}

.modal-preview-topbar {
    background: var(--primary-light);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-preview-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.modal-preview-dot.red { background: #ef4444; }
.modal-preview-dot.yellow { background: #f59e0b; }
.modal-preview-dot.green { background: #10b981; }

.modal-preview-url {
    flex: 1;
    text-align: center;
    font-size: 11px;
    color: rgba(255,255,255,0.4);
}

.modal-preview-content {
    padding: 20px;
    min-height: 280px;
}

.modal-preview-sidebar {
    width: 48px;
    background: rgba(59,130,246,0.1);
    border-radius: 8px;
    padding: 8px 4px;
    float: left;
    margin-right: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.modal-preview-sidebar-item {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: rgba(59,130,246,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.modal-preview-sidebar-item.active {
    background: var(--accent);
    box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}

.modal-preview-kpi-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.modal-preview-kpi {
    background: var(--bg-alt);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--border);
}

.modal-preview-kpi-value {
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 2px;
}

.modal-preview-kpi-label {
    font-size: 10px;
    color: var(--text-light);
    text-transform: uppercase;
}

.modal-preview-table {
    width: 100%;
    margin-top: 12px;
}

.modal-preview-table-row {
    display: flex;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-light);
    gap: 8px;
}

.modal-preview-table-row:first-child {
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    font-size: 10px;
}

.modal-preview-table-row span { flex: 1; }

.modal-preview-badge {
    font-size: 9px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.badge-green { background: #dcfce7; color: #16a34a; }
.badge-blue { background: #dbeafe; color: #2563eb; }
.badge-orange { background: #fef3c7; color: #d97706; }

[data-theme="dark"] .module-page { background: var(--bg); }
[data-theme="dark"] .module-page-header { background: rgba(11,15,26,0.9); border-bottom-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .module-page-preview { background: var(--primary); }
[data-theme="dark"] .modal-preview-screen { background: var(--bg-alt); border-color: rgba(255,255,255,0.05); }
[data-theme="dark"] .modal-preview-kpi { background: var(--card); border-color: var(--border); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .hero-title { font-size: 44px; }
    .modules-grid { grid-template-columns: repeat(2, 1fr); }
    .reasons-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .orbit-container { width: 340px; height: 340px; }
    .orbit-ring-3 { width: 340px; height: 340px; }
    .orbit-ring-2 { width: 280px; height: 280px; }
    .orbit-ring-1 { width: 200px; height: 200px; }
    .orbit-marble { width: 90px; height: 90px; }
}

@media (max-width: 768px) {
    .navbar {
        top: 8px;
        width: calc(100% - 24px);
        border-radius: 14px;
    }

    .navbar-inner { padding: 0 16px; height: 56px; }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 8px;
        right: 8px;
        background: var(--bg);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        border-radius: 12px;
        border: 1px solid var(--border);
        box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    }

    [data-theme="dark"] .nav-links {
        background: var(--card);
    }

    .nav-links a {
        padding: 10px 16px;
        border-radius: 8px;
    }

    .nav-links.open { display: flex; }
    .hamburger { display: flex; }

    .hero { padding: 100px 0 40px; min-height: auto; }
    .hero-title { font-size: 34px; }
    .hero-subtitle { font-size: 16px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-stats { flex-wrap: wrap; gap: 24px; padding: 24px; }
    .stat-divider { display: none; }

    .orbit-container { width: 280px; height: 280px; }
    .orbit-ring-3 { width: 280px; height: 280px; }
    .orbit-ring-2 { width: 220px; height: 220px; }
    .orbit-ring-1 { width: 160px; height: 160px; }
    .orbit-marble { width: 70px; height: 70px; }
    .orbit-label { font-size: 10px; padding: 4px 10px; }

    .section { padding: 60px 0; }
    .section-title { font-size: 28px; }
    .section-divider { height: 40px; }

    .vizyon-grid { grid-template-columns: 1fr; gap: 40px; }
    .modules-grid { grid-template-columns: 1fr; }
    .reasons-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }

    .journey { flex-direction: column; align-items: center; }
    .journey-connector { width: 2px; height: 24px; }

    .cta-title { font-size: 26px; }
    .cta-actions { flex-direction: column; align-items: center; }

    .module-page-content {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 32px 20px 60px;
    }
    .module-page-header { padding: 12px 16px; }
    .module-page-title { font-size: 28px; }
    .module-page-right { order: -1; }
    .module-page-preview { padding: 20px; }
}