/* =====================================================
   OOM.today - Design System & Styles
   Fractional Chief AI Officer Consultancy
   ===================================================== */

:root {
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a24;
    --color-bg-card: rgba(255, 255, 255, 0.03);
    --color-bg-card-hover: rgba(255, 255, 255, 0.06);
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-tertiary: rgba(255, 255, 255, 0.5);
    --color-text-muted: rgba(255, 255, 255, 0.4);
    --color-accent-purple: #a855f7;
    --color-accent-indigo: #6366f1;
    --color-accent-cyan: #06b6d4;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --gradient-text: linear-gradient(135deg, #a855f7 0%, #6366f1 50%, #06b6d4 100%);
    --border-subtle: 1px solid rgba(255, 255, 255, 0.08);
    --shadow-glow-purple: 0 0 40px rgba(168, 85, 247, 0.2);
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-sm: 0.375rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;
    --space-32: 8rem;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    --text-8xl: 6rem;
    --z-sticky: 200;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--space-4) 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-subtle);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--space-3) 0;
    background: rgba(10, 10, 15, 0.95);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    display: flex;
    align-items: center;
}

.logo-oom {
    color: var(--color-text-primary);
}

.logo-dot {
    color: var(--color-accent-purple);
}

.logo-today {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-links a {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

.btn-nav {
    padding: var(--space-2) var(--space-5) !important;
    background: var(--gradient-primary) !important;
    border-radius: var(--radius-full) !important;
    color: var(--color-text-primary) !important;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow-purple);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(168, 85, 247, 0.4);
}

.btn-secondary {
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    border: var(--border-subtle);
}

.btn-secondary:hover {
    background: var(--color-bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-32) 0 var(--space-16);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-accent-purple);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--color-accent-indigo);
    bottom: -150px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--color-accent-cyan);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
    opacity: 0.3;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease-out;
}

.badge-icon {
    font-size: var(--text-lg);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-4xl), 8vw, var(--text-7xl));
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero-subtitle {
    font-size: clamp(var(--text-lg), 2.5vw, var(--text-xl));
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-subtitle strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-8);
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-text-primary);
    display: block;
}

.stat-suffix {
    font-size: var(--text-2xl);
    color: var(--color-accent-purple);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    animation: fadeIn 1s ease-out 1s backwards;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: rotate(45deg) translateY(0);
    }

    50% {
        transform: rotate(45deg) translateY(8px);
    }
}

/* Sections */
.section {
    padding: var(--space-24) 0;
    position: relative;
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-purple);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.section-desc {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* OOM Cards */
.oom-explanation {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.oom-card {
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-base);
}

.oom-card:hover {
    background: var(--color-bg-card-hover);
    transform: translateY(-4px);
    border-color: rgba(168, 85, 247, 0.3);
}

.oom-card.featured {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-color: rgba(168, 85, 247, 0.3);
}

.oom-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: white;
}

.oom-icon sup {
    font-size: var(--text-base);
}

.oom-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.oom-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.quote-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.quote-block blockquote {
    font-family: var(--font-display);
    font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl));
    font-weight: 500;
    font-style: italic;
    color: var(--color-text-secondary);
    line-height: 1.6;
    position: relative;
    padding: var(--space-8);
}

.quote-block blockquote::before {
    content: '"';
    position: absolute;
    top: 0;
    left: 0;
    font-size: var(--text-8xl);
    font-family: Georgia, serif;
    color: var(--color-accent-purple);
    opacity: 0.3;
    line-height: 1;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.service-card {
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
    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: opacity var(--transition-base);
}

.service-card:hover {
    background: var(--color-bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.5);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-6);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.service-card>p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.service-features li::before {
    content: '→';
    color: var(--color-accent-purple);
}

/* Value Banner */
.value-banner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-10);
    padding: var(--space-8);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.08) 100%);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-12);
}

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

.value-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    display: block;
}

.value-label {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.value-divider {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, transparent, rgba(168, 85, 247, 0.4), transparent);
}

/* Detailed Service Cards */
.services-grid-detailed {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.service-card-detailed {
    padding: var(--space-10);
}

.service-card-detailed .service-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.service-card-detailed .service-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.service-title-group {
    flex: 1;
}

.service-title-group h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.service-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-accent-indigo);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.service-benefits {
    margin-bottom: var(--space-6);
}

.service-benefits h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-purple);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-example {
    padding: var(--space-4);
    background: rgba(6, 182, 212, 0.08);
    border-left: 3px solid var(--color-accent-cyan);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.service-example strong {
    color: var(--color-accent-cyan);
}

/* Services Bottom */
.services-bottom {
    margin-top: var(--space-12);
    text-align: center;
}

.services-summary {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-8);
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-xl);
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.services-summary strong {
    color: var(--color-text-primary);
}

@media (max-width: 900px) {
    .services-grid-detailed {
        grid-template-columns: 1fr;
    }

    .value-banner {
        flex-direction: column;
        gap: var(--space-6);
    }

    .value-divider {
        width: 80px;
        height: 1px;
    }
}

/* Process */
.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    position: relative;
}

.process-step {
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    position: relative;
    transition: all var(--transition-base);
}

.process-step:hover {
    background: var(--color-bg-card-hover);
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
}

.step-number {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-4);
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.step-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.step-duration {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-accent-indigo);
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.about-text strong {
    color: var(--color-text-primary);
}

.about-credentials {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: var(--border-subtle);
}

.credential {
    text-align: center;
}

.credential-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    display: block;
}

.credential-label {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-frame {
    position: relative;
    width: 350px;
    height: 400px;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.placeholder-icon {
    font-size: 80px;
    opacity: 0.8;
}

.placeholder-text {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    text-align: center;
    color: white;
    margin-top: var(--space-4);
}

.placeholder-text small {
    font-size: var(--text-sm);
    font-weight: 400;
    opacity: 0.8;
}

.image-placeholder {
    flex-direction: column;
}

/* NDA Notice */
.nda-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-top: var(--space-8);
    padding: var(--space-6);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.08) 100%);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: var(--radius-xl);
}

.nda-icon {
    font-size: var(--text-2xl);
    flex-shrink: 0;
}

.nda-notice p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

.nda-notice strong {
    color: var(--color-accent-purple);
}

.image-decoration {
    position: absolute;
    inset: -15px;
    border: 2px dashed rgba(168, 85, 247, 0.3);
    border-radius: var(--radius-2xl);
    z-index: 1;
}

/* CTA */
.section-cta {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

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

.orb-cta-1 {
    width: 500px;
    height: 500px;
    background: var(--color-accent-purple);
    top: -200px;
    left: -100px;
    opacity: 0.2;
}

.orb-cta-2 {
    width: 400px;
    height: 400px;
    background: var(--color-accent-indigo);
    bottom: -150px;
    right: -50px;
    opacity: 0.2;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.cta-text {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
    line-height: 1.7;
}

.cta-form {
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-tertiary);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Form Messages */
.form-message {
    text-align: center;
    padding: var(--space-10);
    animation: fadeInUp 0.5s ease-out;
}

.form-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.08) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-xl);
}

.form-message .message-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-4);
    background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: white;
}

.form-message h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-text-primary);
}

.form-message p {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    line-height: 1.7;
}

/* Form Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading span {
    opacity: 0;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Footer */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--space-16) 0 var(--space-8);
    border-top: var(--border-subtle);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand p {
    color: var(--color-text-tertiary);
    margin-top: var(--space-4);
    max-width: 300px;
    line-height: 1.7;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-col a {
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.footer-tagline {
    font-style: italic;
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-content {
        text-align: center;
    }

    .about-credentials {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-8);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }

    .stat-divider {
        width: 50px;
        height: 1px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-brand p {
        max-width: none;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--space-16) 0;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-large {
        padding: var(--space-4) var(--space-6);
    }
}