/* ============================================
   DECA VENTURES — PREMIUM LIGHT THEME
   ============================================ */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f0f5;
    --bg-glass: rgba(255, 255, 255, 0.8);

    --gold: #1a1a1a;
    --gold-light: #333333;
    --gold-dark: #555555;
    --gold-glow: rgba(0, 0, 0, 0.04);

    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-muted: #999999;

    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.18);

    --radius: 12px;
    --radius-lg: 20px;
    --radius-sm: 8px;

    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: 0.2s ease;

    --container: 1200px;
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

/* ============================================
   CONTAINER
   ============================================ */
.dv-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   NAVIGATION
   ============================================ */
.dv-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.dv-nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
}

.dv-nav-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.dv-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.dv-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.dv-footer-logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.dv-logo-text {
    display: flex;
    flex-direction: column;
}

.dv-logo-sub {
    font-size: 0.6rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    font-weight: 500;
}

.dv-logo-name {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--text-primary);
}

.dv-logo-light {
    font-weight: 400;
    color: var(--text-secondary);
}

.dv-nav-links {
    display: flex;
    gap: 2rem;
}

.dv-nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    transition: var(--transition-fast);
    position: relative;
}

.dv-nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: var(--transition);
}

.dv-nav-links a:hover {
    color: var(--gold);
}

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

.dv-btn-nav {
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: #ffffff;
    background: var(--gold);
    padding: 10px 24px;
    border-radius: 6px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.dv-btn-nav:hover {
    background: var(--gold-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.dv-social-nav {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid var(--border-hover);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition);
}

.dv-social-nav:hover {
    border-color: var(--gold);
    color: var(--gold);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.dv-social-nav i {
    font-size: 1.1rem;
}

.dv-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.dv-hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.dv-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: calc(var(--nav-height) + 4rem) 0 4rem;
    overflow: hidden;
}

.dv-hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.dv-hero-glow {
    position: absolute;
    top: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}

.dv-hero-content {
    position: relative;
    z-index: 1;
    max-width: 750px;
}

.dv-hero-title {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 2rem;
    letter-spacing: -1px;
}

.dv-hero-title em {
    color: var(--text-secondary);
    font-style: normal;
    font-weight: 400;
}

.dv-hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 550px;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

.dv-btn-primary {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: #ffffff;
    background: var(--gold);
    padding: 16px 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.dv-btn-primary:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.dv-btn-full {
    width: 100%;
    justify-content: center;
}

.dv-btn-outline {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
    padding: 16px 32px;
    border-radius: 8px;
    transition: var(--transition);
}

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

.dv-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin-top: 5rem;
    background: var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.dv-stat-card {
    background: var(--bg-card);
    padding: 2rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition);
}

.dv-stat-card:hover {
    background: var(--bg-card-hover);
}

.dv-stat-value {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
}

.dv-stat-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.dv-hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.dv-scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   SECTIONS
   ============================================ */
.dv-section {
    padding: 8rem 0;
    position: relative;
}

.dv-section-dark {
    background: var(--bg-secondary);
}

.dv-section-header {
    margin-bottom: 4rem;
    max-width: 700px;
}

.dv-section-num {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.85rem;
    color: var(--gold);
    font-weight: 500;
}

.dv-section-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-left: 1rem;
    text-transform: uppercase;
}

.dv-section-title {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.15;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

.dv-section-title em {
    color: var(--text-secondary);
    font-style: normal;
    font-weight: 400;
}

.dv-section-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.dv-quote {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.1rem;
    font-style: normal;
    color: var(--text-secondary);
    border-left: 3px solid var(--gold);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    line-height: 1.7;
}

.dv-quote-center {
    text-align: center;
    border-left: none;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 3rem 2rem;
    margin-top: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.dv-quote cite {
    display: block;
    margin-top: 1rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.75rem;
    font-style: normal;
    letter-spacing: 2px;
    color: var(--text-muted);
    font-weight: 600;
}

/* ============================================
   SERVICES GRID (01 - MODEL)
   ============================================ */
.dv-services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.dv-service-card {
    background: var(--bg-card);
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
}

.dv-service-card:hover {
    background: var(--bg-card-hover);
}

.dv-service-card:hover .dv-service-line {
    width: 100%;
}

.dv-service-num {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 2rem;
    font-weight: 600;
    color: var(--gold);
    opacity: 0.3;
    display: block;
    margin-bottom: 1rem;
}

.dv-service-card h3 {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.dv-service-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.dv-service-line {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--gold), transparent);
    transition: var(--transition);
}

/* ============================================
   THESIS GRID (02 - YATIRIM TEZİ)
   ============================================ */
.dv-thesis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.dv-thesis-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    transition: var(--transition);
}

.dv-thesis-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.dv-thesis-num {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
    opacity: 0.2;
    margin-bottom: 1rem;
}

.dv-thesis-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* ============================================
   INVESTMENT PARAMETERS
   ============================================ */
.dv-params-section {
    margin-top: 2rem;
}

.dv-params-title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.dv-params-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.dv-param-card {
    background: var(--bg-card);
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition);
}

.dv-param-card:hover {
    background: var(--bg-card-hover);
}

.dv-param-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.dv-param-value {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gold);
}

/* ============================================
   PORTFOLIO GRID (03)
   ============================================ */
.dv-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.dv-portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.dv-portfolio-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.dv-portfolio-cat {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 1rem;
}

.dv-portfolio-name {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.dv-portfolio-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.dv-portfolio-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.dv-portfolio-stage {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 4px 12px;
    border-radius: 4px;
    text-transform: uppercase;
}

.stage-seed {
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-primary);
}

.stage-preseed {
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-secondary);
}

.dv-portfolio-link {
    text-decoration: none;
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.dv-portfolio-link:hover {
    color: var(--gold);
}

/* ============================================
   PROCESS TIMELINE (04)
   ============================================ */
.dv-process-timeline {
    position: relative;
    display: grid;
    gap: 0;
}

.dv-process-line {
    position: absolute;
    left: 26px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--gold), var(--border), transparent);
}

.dv-process-step {
    display: flex;
    gap: 2.5rem;
    padding: 2.5rem 0;
    position: relative;
}

.dv-process-step:not(:last-of-type) {
    border-bottom: 1px solid var(--border);
}

.dv-process-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    width: 52px;
    z-index: 1;
}

.dv-process-num {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gold);
}

.dv-process-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--gold);
    transition: var(--transition);
}

.dv-process-step:hover .dv-process-dot {
    background: var(--gold);
    box-shadow: 0 0 20px var(--gold-glow);
}

.dv-process-content h3 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.dv-process-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
}

/* ============================================
   PORTAL GRID (05)
   ============================================ */
.dv-portal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.dv-portal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    transition: var(--transition);
}

.dv-portal-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.dv-portal-audience {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--gold);
    background: rgba(0, 0, 0, 0.05);
    padding: 4px 12px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.dv-portal-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--gold-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.dv-portal-icon i {
    font-size: 1.3rem;
    color: var(--gold);
}

.dv-portal-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.dv-portal-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   IMPACT SECTION (06)
   ============================================ */
.dv-section-impact {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #eaeaef 50%, var(--bg-secondary) 100%);
    overflow: hidden;
}

.dv-impact-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.dv-impact-card {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
}

.dv-impact-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.dv-impact-value {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--gold);
    display: block;
    margin-bottom: 0.75rem;
}

.dv-impact-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
    line-height: 1.5;
}

/* ============================================
   CONTACT SECTION (07)
   ============================================ */
.dv-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.dv-contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.dv-contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    transition: var(--transition);
}

.dv-contact-card:hover {
    border-color: var(--border-hover);
}

.dv-contact-badge {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--gold);
    background: var(--gold-glow);
    padding: 4px 12px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 1rem;
}

.dv-contact-badge-alt {
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.04);
}

.dv-contact-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.dv-contact-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.dv-contact-email {
    text-decoration: none;
    color: var(--gold);
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.dv-contact-email:hover {
    color: var(--gold-light);
}

.dv-contact-form-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
}

.dv-contact-form-wrap h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.dv-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dv-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.dv-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    outline: none;
}

.dv-input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-glow);
}

.dv-input::placeholder {
    color: var(--text-muted);
}

textarea.dv-input {
    resize: vertical;
    min-height: 100px;
}

select.dv-input {
    appearance: none;
    -webkit-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'%3E%3Cpath fill='%23999999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

select.dv-input option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.dv-alert-success {
    background: rgba(34, 139, 34, 0.06);
    border: 1px solid #228b22;
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    color: #228b22;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ============================================
   FOOTER
   ============================================ */
.dv-footer {
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
    background: var(--bg-primary);
}

.dv-footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.dv-footer-brand p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.dv-footer-links {
    display: flex;
    gap: 2rem;
}

.dv-footer-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.dv-footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
}

.dv-footer-bottom p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.dv-social-footer {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 1rem;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-hover);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.dv-social-footer:hover {
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.dv-social-footer i {
    font-size: 1rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .dv-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .dv-portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .dv-portal-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .dv-impact-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .dv-params-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }

    .dv-nav-links,
    .dv-btn-nav {
        display: none;
    }

    .dv-hamburger {
        display: flex;
    }

    .dv-nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border);
    }

    .dv-hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .dv-services-grid {
        grid-template-columns: 1fr;
    }

    .dv-thesis-grid {
        grid-template-columns: 1fr;
    }

    .dv-portfolio-grid {
        grid-template-columns: 1fr;
    }

    .dv-portal-grid {
        grid-template-columns: 1fr;
    }

    .dv-impact-stats {
        grid-template-columns: 1fr;
    }

    .dv-params-grid {
        grid-template-columns: 1fr;
    }

    .dv-contact-grid {
        grid-template-columns: 1fr;
    }

    .dv-form-row {
        grid-template-columns: 1fr;
    }

    .dv-footer-top {
        flex-direction: column;
        gap: 2rem;
    }

    .dv-footer-links {
        flex-wrap: wrap;
    }

    .dv-footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
    }

    .dv-section {
        padding: 5rem 0;
    }

    .dv-hero-title {
        font-size: 2.5rem;
    }

    .dv-hero-actions {
        flex-direction: column;
    }

    .dv-btn-primary,
    .dv-btn-outline {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .dv-container {
        padding: 0 1rem;
    }

    .dv-hero-stats {
        grid-template-columns: 1fr 1fr;
    }

    .dv-stat-value {
        font-size: 2rem;
    }

    .dv-impact-value {
        font-size: 2.5rem;
    }
}