/* ============================================================
   DECA — Design System & Styles
   decagroup.com.tr
   ============================================================ */

/* --- DESIGN TOKENS --- */
:root {
    --navy: #0D1B2A;
    --navy-90: rgba(13, 27, 42, 0.9);
    --navy-light: #132238;
    --navy-lighter: #1B2D45;
    --blue: #1E5FA8;
    --blue-hover: #2670C4;
    --blue-light: #2E7BD6;
    --blue-glow: rgba(30, 95, 168, 0.15);
    --green: #10B981;
    --green-hover: #0EA573;
    --green-light: #34D399;
    --green-glow: rgba(16, 185, 129, 0.15);
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;

    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-brand: 'Outfit', 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,.15);
    --shadow-card: 0 0 0 1px rgba(0,0,0,.03), 0 2px 4px rgba(0,0,0,.04), 0 12px 24px rgba(0,0,0,.06);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    --header-h: 72px;
    --container-max: 1200px;
    --container-wide: 1400px;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: inherit; border: none; outline: none; background: none; }
address { font-style: normal; }

/* --- LANGUAGE TOGGLE --- */
html[lang="en"] [data-lang="tr"] { display: none !important; }
html[lang="tr"] [data-lang="en"] { display: none !important; }

/* --- UTILITIES --- */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.938rem;
    line-height: 1;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-full);
    transition: all 0.3s var(--ease);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}
.btn svg { flex-shrink: 0; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn--primary {
    background: var(--blue);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(30, 95, 168, 0.3);
}
.btn--primary:hover {
    background: var(--blue-hover);
    box-shadow: 0 4px 16px rgba(30, 95, 168, 0.4);
    transform: translateY(-1px);
}

.btn--green {
    background: var(--green);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}
.btn--green:hover {
    background: var(--green-hover);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

.btn--outline {
    border: 1.5px solid rgba(255,255,255,0.3);
    color: var(--white);
    backdrop-filter: blur(4px);
}
.btn--outline:hover {
    border-color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.08);
}

.btn--sm { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
.btn--lg { padding: 1rem 2rem; font-size: 1rem; }
.btn--block { width: 100%; justify-content: center; }

/* --- HEADER --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    z-index: 1000;
    background: #ffffff;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}
.site-header.scrolled {
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
}
.header-inner {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo { display: flex; align-items: center; gap: 0.625rem; z-index: 10; text-decoration: none; }
.logo-img {
    height: 46px;
    width: auto;
    filter: none;
    transition: filter 0.3s var(--ease), transform 0.3s var(--ease);
}
.logo:hover .logo-img { transform: scale(1.05); }
.logo-text {
    font-family: var(--font-brand);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: -0.01em;
    line-height: 1;
}
.logo-accent {
    font-weight: 400;
    opacity: 0.7;
}

.main-nav { display: flex; align-items: center; gap: 2rem; }
.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(15, 23, 42, 0.7);
    letter-spacing: 0.02em;
    transition: color 0.3s var(--ease);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue);
    transition: width 0.3s var(--ease);
    border-radius: 1px;
}
.nav-link:hover { color: var(--navy); }
.nav-link:hover::after { width: 100%; }
.nav-link--highlight { color: var(--green-light); }
.nav-link--highlight:hover { color: var(--green); }
.nav-link--highlight::after { background: var(--green); }

.header-actions { display: flex; align-items: center; gap: 1.25rem; z-index: 10; }

.lang-switcher { display: flex; align-items: center; gap: 0.375rem; }
.lang-btn {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: rgba(15, 23, 42, 0.55);
    padding: 0.25rem 0.375rem;
    border-radius: var(--radius-sm);
    transition: all 0.3s var(--ease);
}
.lang-btn:hover { color: rgba(15, 23, 42, 0.85); }
.lang-btn.active { color: var(--navy); background: rgba(30, 95, 168, 0.12); }
.lang-sep { color: rgba(15, 23, 42, 0.18); font-size: 0.75rem; }

.header-cta { display: none; }

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    padding: 2px 0;
}
.mobile-toggle span {
    display: block;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
}
.mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.98);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease);
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-nav { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }
.mobile-nav-link {
    font-size: 1.25rem;
    font-weight: 600;
    color: rgba(15, 23, 42, 0.8);
    transition: color 0.3s var(--ease);
}
.mobile-nav-link:hover { color: var(--navy); }

/* --- HERO --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--navy);
    overflow: hidden;
}
.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 40%, transparent 0%, var(--navy) 70%);
    pointer-events: none;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 1.5rem;
}
.hero-title {
    font-family: var(--font-brand);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}
.hero-formula {
    font-size: clamp(1rem, 2.5vw, 1.375rem);
    font-weight: 500;
    color: var(--blue-light);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}
.hero-desc {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    max-width: 640px;
    margin: 0 auto 2.5rem;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.hero-scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

/* --- SECTIONS --- */
.section { padding: 6rem 0; }
.section--light { background: var(--white); }
.section--gray { background: var(--gray-50); }
.section--dark { background: var(--navy); }
.section--investor {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-lighter) 100%);
    position: relative;
}
.section--investor::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, var(--blue-glow) 0%, transparent 60%),
                radial-gradient(circle at 70% 50%, var(--green-glow) 0%, transparent 60%);
    pointer-events: none;
}
.section--contact { background: var(--gray-50); }
.section--metrics { background: var(--gray-50); border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); }

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 1rem;
}
.section--dark .section-label,
.section--investor .section-label { color: var(--green-light); }

.section-title {
    font-family: var(--font-brand);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}
.section-title--light { color: var(--white); }
.section-subtitle {
    font-size: 1.063rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 2rem;
}
.section--light .section-subtitle,
.section--gray .section-subtitle { color: var(--gray-500); }

/* --- ABOUT --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}
.about-para {
    font-size: 1.063rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}
.about-visual { display: flex; justify-content: center; }
.about-shape {
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: floatShape 6s ease-in-out infinite;
}
.about-shape-inner { width: 100%; height: 100%; }
.about-shape svg { width: 100%; height: 100%; }
@keyframes floatShape {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.value-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.value-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.4s var(--ease);
}
.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: transparent;
}
.value-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--blue-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--blue);
}
.value-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}
.value-card p {
    font-size: 0.938rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* --- COMPANIES --- */
.company-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.company-card {
    background: var(--navy-lighter);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    transition: all 0.4s var(--ease);
    display: flex;
    flex-direction: column;
}
.company-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,255,255,0.12);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.company-logo-area {
    height: 48px;
    display: flex;
    align-items: center;
    margin-bottom: 1.25rem;
}
.company-logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 0.02em;
}
.company-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--green-light);
    background: var(--green-glow);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    width: fit-content;
}
.company-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
}
.company-card p {
    font-size: 0.938rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}
.company-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blue-light);
    transition: all 0.3s var(--ease);
}
.company-link svg { transition: transform 0.3s var(--ease); }
.company-link:hover { color: var(--white); }
.company-link:hover svg { transform: translateX(4px); }

/* --- INVESTOR SECTION (home) --- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 3rem 0;
}
.stat-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s var(--ease);
    backdrop-filter: blur(4px);
}
.stat-card:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(255,255,255,0.15);
}
.stat-number, .stat-number-text {
    font-family: var(--font-brand);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}
.stat-prefix, .stat-suffix {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--green-light);
}
.stat-label {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
    margin-top: 0.5rem;
}
.investor-note {
    font-size: 0.813rem;
    color: rgba(255,255,255,0.4);
    margin-top: 1rem;
}

/* --- METRICS STRIP --- */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
.metric-item { text-align: center; padding: 1.5rem; }
.metric-number {
    font-family: var(--font-brand);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--navy);
    line-height: 1;
}
.metric-number-text {
    font-family: var(--font-brand);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--navy);
    line-height: 1;
}
.metric-plus {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--green);
}
.metric-item p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.5rem;
    font-weight: 500;
}

/* --- FOUNDER --- */
.founder-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 4rem;
    align-items: center;
}
.founder-photo-frame {
    width: 280px;
    height: 280px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-200);
}
.founder-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
}
.founder-name {
    font-family: var(--font-brand);
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}
.founder-title {
    font-size: 1.063rem;
    color: var(--blue);
    font-weight: 500;
    margin-bottom: 1.25rem;
}
.founder-bio {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}
.founder-social { display: flex; gap: 1rem; }
.founder-linkedin {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blue);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    background: var(--blue-glow);
    transition: all 0.3s var(--ease);
}
.founder-linkedin svg { width: 18px; height: 18px; }
.founder-linkedin:hover { background: var(--blue); color: var(--white); }
.founder-linkedin:hover svg { fill: var(--white); }

/* --- CONTACT --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}
.contact-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.375rem; }
.form-group--full { grid-column: 1 / -1; }
.form-group label {
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--gray-700);
    letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--gray-50);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.938rem;
    transition: all 0.3s var(--ease);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--blue);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--blue-glow);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.813rem;
    color: var(--gray-600);
    line-height: 1.5;
}
.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 1px;
    accent-color: var(--blue);
    cursor: pointer;
}

.contact-info { display: flex; flex-direction: column; gap: 2rem; padding-top: 1rem; }
.contact-info-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--blue-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    flex-shrink: 0;
}
.contact-info-item h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}
.contact-info-item p {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
}
.contact-info-item a { color: var(--blue); transition: color 0.3s var(--ease); }
.contact-info-item a:hover { color: var(--blue-hover); }

/* --- FOOTER --- */
.site-footer {
    background: var(--white);
    padding: 4rem 0 0;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.logo-img--footer { height: 32px; }
.footer-brand .logo-text { font-size: 1.125rem; }
.footer-desc {
    font-size: 0.875rem;
    color: rgba(15, 23, 42, 0.62);
    line-height: 1.6;
    margin-top: 0.75rem;
    max-width: 280px;
}
.footer-social { display: flex; gap: 0.75rem; margin-top: 1.25rem; }
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: rgba(30, 95, 168, 0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(15, 23, 42, 0.65);
    transition: all 0.3s var(--ease);
}
.footer-social a:hover { background: rgba(30, 95, 168, 0.18); color: var(--navy); }

.footer-heading {
    font-size: 0.813rem;
    font-weight: 700;
    color: rgba(15, 23, 42, 0.55);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}
.footer-links ul { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-links a {
    font-size: 0.875rem;
    color: rgba(15, 23, 42, 0.68);
    transition: color 0.3s var(--ease);
}
.footer-links a:hover { color: var(--navy); }

.footer-contact address p {
    font-size: 0.875rem;
    color: rgba(15, 23, 42, 0.62);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}
.footer-contact a { color: var(--blue); transition: color 0.3s var(--ease); }
.footer-contact a:hover { color: var(--blue-hover); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}
.footer-bottom p {
    font-size: 0.813rem;
    color: rgba(15, 23, 42, 0.55);
}
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a {
    font-size: 0.813rem;
    color: rgba(15, 23, 42, 0.55);
    transition: color 0.3s var(--ease);
}
.footer-legal a:hover { color: rgba(15, 23, 42, 0.8); }

/* --- SUB-PAGE HERO --- */
.sub-hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: flex-end;
    background: var(--navy);
    overflow: hidden;
    padding-top: var(--header-h);
}
.sub-hero--ventures { background: linear-gradient(135deg, var(--navy) 0%, #162844 100%); }
.sub-hero--dsyn { background: linear-gradient(135deg, var(--navy) 0%, #1a2a40 100%); }
.sub-hero--dasyapi { background: linear-gradient(135deg, var(--navy) 0%, #15273d 100%); }
.sub-hero--investor { background: linear-gradient(135deg, var(--navy) 0%, #132238 100%); }
.sub-hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 100%, var(--blue-glow) 0%, transparent 60%);
    pointer-events: none;
}
.sub-hero-content {
    position: relative;
    z-index: 2;
    padding-bottom: 3.5rem;
    padding-top: 3rem;
}
.sub-hero-parent {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blue-light);
    display: block;
    margin-bottom: 0.75rem;
}
.sub-hero-title {
    font-family: var(--font-brand);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}
.sub-hero-tag {
    font-size: 1rem;
    font-weight: 600;
    color: var(--green-light);
    margin-bottom: 1rem;
}
.sub-hero-desc {
    font-size: 1.063rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
    max-width: 600px;
}

/* --- SUB-PAGE CONTENT --- */
.sub-content-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}
.sub-content-text p {
    font-size: 1.063rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1rem;
}
.sub-content-visual { display: flex; justify-content: center; }
.sub-visual-card {
    width: 240px;
    height: 240px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--blue-glow), rgba(30, 95, 168, 0.05));
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s var(--ease);
}
.sub-visual-card:hover { transform: scale(1.03); }
.sub-visual-card--green {
    background: linear-gradient(135deg, var(--green-glow), rgba(16, 185, 129, 0.05));
}
.sub-visual-icon { color: var(--blue); }
.sub-visual-card--green .sub-visual-icon { color: var(--green); }

/* --- FOCUS / SERVICES GRID --- */
.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}
.focus-grid--3 { grid-template-columns: repeat(3, 1fr); }

.focus-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.4s var(--ease);
}
.focus-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: transparent;
}
.focus-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--blue-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    color: var(--blue);
}
.focus-card h3 {
    font-size: 1.063rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}
.focus-card p {
    font-size: 0.875rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    transition: all 0.4s var(--ease);
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: transparent;
}
.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--blue-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--blue);
}
.service-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}
.service-card p {
    font-size: 0.938rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* --- ROADMAP --- */
.roadmap {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-top: 3rem;
    position: relative;
}
.roadmap::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--gray-200);
}
.roadmap-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    max-width: 200px;
    position: relative;
}
.roadmap-dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--blue);
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
}
.roadmap-item:last-child .roadmap-dot { border-color: var(--green); }
.roadmap-content { text-align: center; }
.roadmap-content h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}
.roadmap-content p {
    font-size: 0.875rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* --- INVESTOR PAGE --- */
.investor-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.investor-stat {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2.25rem 1.5rem;
    text-align: center;
    transition: all 0.4s var(--ease);
}
.investor-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: transparent;
}
.investor-stat-number {
    font-family: var(--font-brand);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.2;
}
.investor-stat-unit {
    font-size: 1rem;
    font-weight: 600;
    color: var(--blue);
}
.investor-stat p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.5rem;
}

.thesis-list {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}
.thesis-list li {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.6;
    padding-left: 1.75rem;
    position: relative;
}
.thesis-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.625rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
}

.dataroom-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--navy-lighter);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-top: 3rem;
}
.dataroom-content {
    padding: 3rem;
}
.dataroom-content h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}
.dataroom-content > p {
    font-size: 1rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
    margin-bottom: 2rem;
}
.dataroom-steps {
    display: flex;
    gap: 1.5rem;
}
.dataroom-step {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}
.step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--blue);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.dataroom-step p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.5;
    margin-top: 0.25rem;
}

.dataroom-form {
    background: rgba(255,255,255,0.03);
    padding: 3rem;
    border-left: 1px solid rgba(255,255,255,0.06);
}
.dataroom-form h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
}
.dataroom-form .form-group {
    margin-bottom: 1rem;
}
.dataroom-form label {
    font-size: 0.813rem;
    font-weight: 600;
    color: rgba(255,255,255,0.6);
    margin-bottom: 0.25rem;
    display: block;
}
.dataroom-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 0.938rem;
    transition: all 0.3s var(--ease);
}
.dataroom-form input:focus {
    border-color: var(--blue);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 3px rgba(30, 95, 168, 0.2);
}
.dataroom-form input::placeholder { color: rgba(255,255,255,0.3); }
.dataroom-form .checkbox-label { color: rgba(255,255,255,0.5); margin-bottom: 1.25rem; }
.dataroom-form .checkbox-label input[type="checkbox"] { accent-color: var(--green); }

.investor-disclaimer {
    font-size: 0.813rem;
    color: rgba(255,255,255,0.35);
    text-align: center;
    margin-top: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* --- ERROR PAGE --- */
.error-code {
    font-family: var(--font-brand);
    font-size: 8rem;
    font-weight: 900;
    color: var(--gray-200);
    line-height: 1;
    margin-bottom: 1rem;
}
.error-message {
    font-size: 1.25rem;
    color: var(--gray-500);
    margin-bottom: 2rem;
}

/* --- BRAND ACCENT (diagonal slash matching logo) --- */
.section-label::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 14px;
    background: currentColor;
    margin-right: 0.5rem;
    transform: skewX(-12deg);
    vertical-align: middle;
    border-radius: 1px;
}

.hero-formula::before,
.hero-formula::after {
    content: '';
    display: inline-block;
    width: 24px;
    height: 2px;
    background: var(--blue-light);
    vertical-align: middle;
    margin: 0 0.75rem;
    opacity: 0.4;
    transform: skewX(-12deg);
}

.dataroom-content h2 {
    font-family: var(--font-brand);
}

.company-card h3 {
    font-family: var(--font-brand);
}

/* --- ANIMATIONS --- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.15s; }
.reveal--delay-2 { transition-delay: 0.3s; }
.reveal--delay-3 { transition-delay: 0.45s; }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .about-visual { display: none; }
    .value-cards { grid-template-columns: 1fr; }
    .company-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .founder-grid { grid-template-columns: 1fr; gap: 2rem; justify-items: center; text-align: center; }
    .founder-info .section-label { display: block; }
    .founder-social { justify-content: center; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-form { grid-template-columns: 1fr; }
    .sub-content-grid { grid-template-columns: 1fr; }
    .sub-content-visual { display: none; }
    .services-grid { grid-template-columns: 1fr; }
    .focus-grid--3 { grid-template-columns: 1fr; }
    .investor-stats { grid-template-columns: repeat(2, 1fr); }
    .dataroom-card { grid-template-columns: 1fr; }
    .dataroom-form { border-left: none; border-top: 1px solid rgba(255,255,255,0.06); }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
    :root { --header-h: 64px; }
    .section { padding: 4rem 0; }

    .main-nav { display: none; }
    .header-cta { display: none; }
    .mobile-toggle { display: flex; }

    .logo-img { height: 42px; }

    .hero-content { padding: 0 1rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; max-width: 320px; justify-content: center; }

    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .stat-number, .stat-number-text { font-size: 2rem; }

    .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }

    .contact-form { padding: 1.5rem; }

    .sub-hero { min-height: 340px; }
    .sub-hero-title { font-size: clamp(1.75rem, 5vw, 2.5rem); }

    .roadmap { flex-direction: column; align-items: center; gap: 1.5rem; }
    .roadmap::before { display: none; }
    .roadmap-item { max-width: 100%; flex-direction: row; gap: 1rem; }
    .roadmap-content { text-align: left; }

    .dataroom-steps { flex-direction: column; gap: 1rem; }

    .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
    .footer-legal { gap: 1rem; }

    .investor-stats { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .hero-title { font-size: 2rem; }
    .section-title { font-size: 1.5rem; }
    .stat-grid { grid-template-columns: 1fr; }
    .investor-stats { grid-template-columns: 1fr; }
    .dataroom-content, .dataroom-form { padding: 1.5rem; }
}

@media (min-width: 1025px) {
    .header-cta { display: inline-flex; }
}

/* --- PRINT --- */
@media print {
    .site-header, .hero-canvas, .hero-scroll, .mobile-menu { display: none; }
    .hero { min-height: auto; padding: 2rem 0; }
    .section { padding: 2rem 0; }
}