/* ============================================================
   Daniel Zellmer – Lead Strategist AI Portfolio
   Design System & Styles
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-bg: #0a0e1a;
    --color-bg-alt: #111827;
    --color-surface: #1a1f35;
    --color-surface-hover: #242b45;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-light: #64748b;
    --color-white: #ffffff;
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-accent: #06b6d4;
    --color-accent-alt: #8b5cf6;
    --gradient-primary: linear-gradient(135deg, #3b82f6, #06b6d4);
    --gradient-accent: linear-gradient(135deg, #06b6d4, #8b5cf6);
    --gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #1a1f35 50%, #0f172a 100%);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

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

.section {
    padding: 100px 0;
    position: relative;
}

/* --- Gradient Text --- */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}
.section-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-white);
}
.section-header-light h2 { color: var(--color-white); }
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
    color: var(--color-white);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: var(--color-white);
}
.btn-lg { padding: 18px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 0;
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.1rem;
}
.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
}
.logo-accent { color: var(--color-primary); }
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}
.nav-links a:hover { color: var(--color-white); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
    background: var(--gradient-primary) !important;
    color: var(--color-white) !important;
    padding: 10px 22px !important;
    border-radius: var(--radius-md) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,14,26,0.92) 0%, rgba(10,14,26,0.7) 50%, rgba(10,14,26,0.85) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 60px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.25);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}
.hero-text h1 {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.05;
    color: var(--color-white);
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.3s both;
}
.hero-description {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 520px;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease 0.5s both;
}
.hero-stats {
    display: flex;
    gap: 40px;
    animation: fadeInUp 0.8s ease 0.6s both;
}
.stat {
    text-align: center;
}
.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-plus {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Portrait */
.hero-portrait {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease 0.4s both;
}
.portrait-frame {
    position: relative;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 0 60px rgba(59, 130, 246, 0.2), 0 0 120px rgba(6, 182, 212, 0.1);
}
.portrait-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}
.portrait-glow {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, #3b82f6, #06b6d4, #8b5cf6, #3b82f6);
    z-index: -1;
    animation: spin 8s linear infinite;
    opacity: 0.5;
}

/* Particle Canvas */
.particle-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

/* Hero scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}
.hero-scroll a {
    color: var(--color-text-muted);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}
.about-image-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(10px);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}
.about-image-badge i {
    font-size: 1.4rem;
    color: var(--color-primary);
}
.about-image-badge span {
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--color-text);
}
.about-lead {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 16px;
    line-height: 1.8;
}
.about-content p {
    color: var(--color-text-muted);
    margin-bottom: 16px;
}
.about-highlights {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.highlight {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}
.highlight:hover {
    border-color: rgba(59, 130, 246, 0.3);
    background: var(--color-surface-hover);
}
.highlight i {
    font-size: 1.3rem;
    color: var(--color-primary);
    width: 36px;
    text-align: center;
    flex-shrink: 0;
}
.highlight strong {
    display: block;
    color: var(--color-white);
    font-size: 0.95rem;
}
.highlight span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
    position: relative;
    overflow: hidden;
}
.services-bg, .clients-bg, .awards-bg, .cta-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.services-bg-img, .clients-bg-img, .awards-bg-img, .cta-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}
.services-overlay, .clients-overlay, .awards-overlay, .cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,14,26,0.95), rgba(17,24,39,0.92));
}
.services > .container { position: relative; z-index: 1; }
.clients > .container { position: relative; z-index: 1; }
.awards > .container { position: relative; z-index: 1; }
.cta-section > .container { position: relative; z-index: 1; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}
.service-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 255, 255, 0.05);
}
.service-card:hover::before { opacity: 1; }
.service-card.featured {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.05);
}
.service-card.featured::before { opacity: 1; }
.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--color-primary);
    border: 1px solid rgba(59, 130, 246, 0.15);
}
.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 12px;
}
.service-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}
.service-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
.service-features li i {
    color: var(--color-accent);
    font-size: 0.75rem;
}
.services-cta {
    text-align: center;
}

/* ============================================================
   TIMELINE / EXPERIENCE
   ============================================================ */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent), var(--color-accent-alt));
}
.timeline-item {
    position: relative;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}
.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }
.timeline-marker {
    position: absolute;
    left: -36px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--color-bg);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}
.timeline-content {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: var(--transition);
}
.timeline-content:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-glow);
}
.timeline-date {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 4px;
}
.timeline-content h4 {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-bottom: 16px;
}
.timeline-content h4 i {
    margin-right: 6px;
    color: var(--color-text-light);
}
.timeline-content ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.timeline-content li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding-left: 18px;
    position: relative;
}
.timeline-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

/* ============================================================
   CLIENTS
   ============================================================ */
.clients { position: relative; overflow: hidden; }
.clients-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 16px;
}
.client-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-align: center;
}
.client-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-4px);
}
.client-card i {
    font-size: 1.5rem;
    color: var(--color-primary);
}
.client-card span {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.skills-category {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
}
.skills-category h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.skills-category h3 i { color: var(--color-primary); }
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 50px;
    font-size: 0.82rem;
    color: var(--color-text);
    font-weight: 500;
    transition: var(--transition);
}
.skill-tag:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--color-white);
    transform: translateY(-2px);
}
.skill-tag i {
    font-size: 0.8rem;
    color: var(--color-primary);
}

/* ============================================================
   AWARDS
   ============================================================ */
.awards { position: relative; overflow: hidden; }
.awards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.award-card {
    text-align: center;
    padding: 40px 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.award-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 255, 255, 0.05);
}
.award-icon {
    width: 72px;
    height: 72px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--color-primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
}
.award-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
}
.award-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
    position: relative;
    overflow: hidden;
    padding: 100px 0;
}
.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}
.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
}
.cta-content p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 36px;
}
.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.contact-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    background: var(--color-surface-hover);
}
.contact-icon {
    width: 52px;
    height: 52px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-primary);
    flex-shrink: 0;
}
.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 4px;
}
.contact-card p, .contact-card a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}
.contact-card a:hover { color: var(--color-primary); }

/* Contact Form */
.contact-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}
.form-group label i { color: var(--color-primary); font-size: 0.8rem; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-light);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-group select {
    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='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}
.form-group select option {
    background: var(--color-surface);
    color: var(--color-text);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 320px;
}
.footer-links h4, .footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
}
.footer-links ul, .footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links a, .footer-contact a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}
.footer-links a:hover, .footer-contact a:hover { color: var(--color-primary); }
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}
.footer-contact li i {
    color: var(--color-primary);
    width: 16px;
    text-align: center;
}
.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
    text-align: center;
}
.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ============================================================
   LEGAL MODALS (Impressum / Datenschutz)
   ============================================================ */
.legal-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}
.legal-modal.active {
    display: flex;
}
.legal-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    cursor: pointer;
}
.legal-modal-content {
    position: relative;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-width: 720px;
    width: calc(100% - 48px);
    max-height: 85vh;
    overflow-y: auto;
    padding: 48px;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}
.legal-modal-content h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(59, 130, 246, 0.3);
}
.legal-modal-content h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-white);
    margin-top: 28px;
    margin-bottom: 12px;
}
.legal-modal-content p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 12px;
}
.legal-modal-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 12px;
}
.legal-modal-content li {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
    padding-left: 18px;
    position: relative;
}
.legal-modal-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
}
.legal-modal-content a {
    color: var(--color-primary);
}
.legal-modal-content a:hover {
    color: var(--color-accent);
}
.legal-modal-close {
    position: sticky;
    top: 0;
    float: right;
    margin-top: -8px;
    margin-right: -8px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.legal-modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-color: rgba(59, 130, 246, 0.3);
}
.footer-legal {
    margin-top: 12px;
    font-size: 0.85rem;
}
.footer-legal a {
    color: var(--color-text-muted);
    transition: var(--transition);
}
.footer-legal a:hover {
    color: var(--color-primary);
}
.footer-legal-sep {
    color: var(--color-text-light);
    margin: 0 10px;
}

/* Scrollbar for modal */
.legal-modal-content::-webkit-scrollbar {
    width: 6px;
}
.legal-modal-content::-webkit-scrollbar-track {
    background: transparent;
}
.legal-modal-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
.legal-modal-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .legal-modal-content {
        padding: 32px 24px;
        max-height: 90vh;
        width: calc(100% - 32px);
    }
    .legal-modal-content h2 {
        font-size: 1.4rem;
    }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .clients-grid { grid-template-columns: repeat(4, 1fr); }
    .awards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 20px;
        z-index: 999;
        padding: 60px 24px;
        overflow: hidden;
    }
    .nav-links.active { display: flex; }
    .nav-links a { font-size: 1.1rem; }
    body.nav-open { overflow: hidden; }
    .nav-toggle { display: block; z-index: 1001; }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 120px;
    }
    .hero-text h1 { font-size: clamp(2.5rem, 8vw, 3.5rem); }
    .hero-description { margin: 0 auto 32px; }
    .hero-actions { justify-content: center; flex-wrap: wrap; }
    .hero-stats { justify-content: center; }
    .hero-portrait { order: -1; }
    .portrait-frame { width: 260px; height: 260px; }

    .about-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .clients-grid { grid-template-columns: repeat(3, 1fr); }
    .awards-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-actions { flex-direction: column; align-items: center; }

    .section { padding: 60px 0; }
}

@media (max-width: 480px) {
    .clients-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-stats { flex-direction: column; gap: 16px; }
    .btn-lg { padding: 14px 28px; font-size: 0.95rem; }
}