/* ============================================
   BOUZOUMITA FARES - INFLUENCE INSTITUTIONNELLE
   Design System & Premium Theme v1
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Background Colors - Deep Ocean/Navy Theme */
    --bg-primary: #0b1120;
    --bg-secondary: #111827;
    --bg-tertiary: #1e293b;
    --bg-card: rgba(255, 255, 255, 0.02);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(11, 17, 32, 0.9);

    /* Accent Colors - Steel Blue/Cyan */
    --accent-primary: #38bdf8;
    --accent-light: #7dd3fc;
    --accent-dark: #0284c7;
    --accent-silver: #e2e8f0;
    --accent-glow: rgba(56, 189, 248, 0.4);

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(56, 189, 248, 0.3);

    /* Typography Scale */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --size-display: 4.5rem;
    --size-h1: 3rem;
    --size-h2: 2.25rem;
    --size-h3: 1.5rem;
    --size-h4: 1.25rem;
    --size-body: 1.125rem;
    --size-small: 0.875rem;
    --size-tiny: 0.75rem;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(56, 189, 248, 0.2);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Container */
    --container-max: 1200px;
    --container-narrow: 800px;
}

/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--size-body);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Selection Styling */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.display {
    font-size: var(--size-display);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

h1 {
    font-size: var(--size-h1);
}

h2 {
    font-size: var(--size-h2);
}

h3 {
    font-size: var(--size-h3);
}

h4 {
    font-size: var(--size-h4);
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

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

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

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: var(--size-small);
    font-weight: 500;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-label {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: var(--size-tiny);
    font-weight: 600;
    font-family: var(--font-body);
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-full);
    background: rgba(56, 189, 248, 0.05);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    background: transparent;
    transition: all var(--transition-base);
}

.nav.scrolled {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

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

.nav-logo {
    font-family: var(--font-display);
    font-size: var(--size-h4);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.nav-logo span {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: var(--space-2xl);
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--size-small);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-light));
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--accent-primary);
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    background: none;
    border: none;
}

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

/* ============================================
   HERO SECTION - PREMIUM DESIGN
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

/* Animated gradient background */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(56, 189, 248, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(2, 132, 199, 0.08) 0%, transparent 60%);
    animation: gradientShift 15s ease-in-out infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

/* Premium geometric background */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    transform: translate(-50%, -50%);
    background: conic-gradient(from 0deg, transparent 0deg, rgba(56, 189, 248, 0.03) 60deg, transparent 120deg);
    animation: rotateSlow 30s linear infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(56, 189, 248, 0.1);
    border-radius: 50%;
}

@keyframes rotateSlow {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Floating particles */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-particles span {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite;
}

.hero-particles span:nth-child(1) {
    left: 10%;
    top: 20%;
    animation-delay: 0s;
}

.hero-particles span:nth-child(2) {
    left: 20%;
    top: 80%;
    animation-delay: 2s;
}

.hero-particles span:nth-child(3) {
    left: 80%;
    top: 30%;
    animation-delay: 4s;
}

.hero-particles span:nth-child(4) {
    left: 70%;
    top: 70%;
    animation-delay: 6s;
}

.hero-particles span:nth-child(5) {
    left: 90%;
    top: 50%;
    animation-delay: 8s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1);
        opacity: 0.3;
    }

    50% {
        transform: translateY(-30px) scale(1.5);
        opacity: 0.6;
    }
}

.hero-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3xl);
    text-align: center;
    position: relative;
    z-index: 2;
}

/* Profile image - circular premium */
.hero-profile {
    position: relative;
    animation: fadeInDown 1s ease forwards;
    opacity: 0;
}

.hero-profile-wrapper {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-dark), var(--accent-light));
    position: relative;
}

.hero-profile-wrapper::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px solid rgba(56, 189, 248, 0.3);
    animation: pulse-ring 3s ease-in-out infinite;
}

.hero-profile-wrapper::after {
    content: '';
    position: absolute;
    inset: -16px;
    border-radius: 50%;
    border: 1px solid rgba(56, 189, 248, 0.15);
}

@keyframes pulse-ring {

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

    50% {
        transform: scale(1.05);
        opacity: 0.5;
    }
}

.hero-profile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

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

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

/* Hero content */
.hero-content {
    max-width: 900px;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    padding: var(--space-sm) var(--space-xl);
    background: rgba(56, 189, 248, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--size-small);
    font-weight: 500;
    color: var(--accent-primary);
    letter-spacing: 0.05em;
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero-label::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 15px var(--accent-glow);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
        box-shadow: 0 0 15px var(--accent-glow);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.2);
        box-shadow: 0 0 25px var(--accent-glow);
    }
}

.hero-name {
    font-family: var(--font-body);
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
    animation: fadeInUp 0.8s ease 0.5s forwards;
    opacity: 0;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #fff 0%, var(--accent-light) 50%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.9;
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-lg);
    animation: fadeInUp 0.8s ease 0.7s forwards;
    opacity: 0;
}

/* Premium CTA button */
.btn-hero {
    padding: var(--space-lg) var(--space-3xl);
    font-size: var(--size-body);
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-dark) 100%);
    color: var(--bg-primary);
    border-radius: var(--radius-full);
    position: relative;
    overflow: hidden;
    box-shadow:
        0 0 30px rgba(56, 189, 248, 0.3),
        0 10px 40px rgba(56, 189, 248, 0.2);
    transition: all 0.4s ease;
}

.btn-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow:
        0 0 50px rgba(56, 189, 248, 0.5),
        0 15px 50px rgba(56, 189, 248, 0.3);
}

.btn-hero:hover::before {
    left: 100%;
}

/* Stats bar */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-4xl);
    margin-top: var(--space-4xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    animation: fadeInUp 0.8s ease 0.9s forwards;
    opacity: 0;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.hero-stat-label {
    font-size: var(--size-small);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

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

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

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-2xl);
    font-family: var(--font-body);
    font-size: var(--size-small);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-dark) 100%);
    color: var(--bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(56, 189, 248, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

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

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

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

/* ============================================
   MANIFESTO SECTION
   ============================================ */
.manifesto {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.manifesto::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--accent-primary), transparent);
}

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

.manifesto-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: var(--space-2xl);
}

.manifesto-text {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: var(--space-3xl);
}

.manifesto-quote {
    position: relative;
    padding: var(--space-3xl);
    margin: var(--space-3xl) 0;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
}

.manifesto-quote::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 40px;
    font-size: 6rem;
    font-family: var(--font-display);
    color: var(--accent-primary);
    opacity: 0.3;
    line-height: 1;
}

.manifesto-quote p {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 500;
    color: var(--text-primary);
    font-style: italic;
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   PILLARS SECTION (Domaines d'Intervention)
   ============================================ */
.pillars {
    position: relative;
    background: var(--bg-primary);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.pillar-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-light), var(--accent-primary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.pillar-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

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

.pillar-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
    opacity: 0.3;
    margin-bottom: var(--space-md);
}

.pillar-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-lg);
    color: var(--accent-primary);
}

.pillar-title {
    font-size: var(--size-h4);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.pillar-target {
    font-size: var(--size-tiny);
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
    font-weight: 500;
}

.pillar-desc {
    font-size: var(--size-small);
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
    flex-grow: 1;
}

/* ============================================
   APPROACH SECTION
   ============================================ */
.approach {
    background: var(--bg-secondary);
    position: relative;
}

.approach-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.approach-text h3 {
    font-size: var(--size-h2);
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
}

.approach-text p {
    font-size: var(--size-body);
    color: var(--text-secondary);
    line-height: 1.9;
}

.approach-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.approach-step {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.approach-step:hover {
    border-color: var(--border-accent);
    transform: translateX(8px);
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-dark) 100%);
    color: var(--bg-primary);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.step-content h4 {
    font-size: var(--size-h4);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.step-content p {
    font-size: var(--size-small);
    color: var(--text-secondary);
    margin: 0;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    position: relative;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.contact-intro p {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl);
}

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

.form-label {
    display: block;
    font-size: var(--size-small);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: var(--size-body);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

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

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

.form-submit {
    width: 100%;
    margin-top: var(--space-lg);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

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

.footer-copy {
    font-size: var(--size-small);
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--space-xl);
}

.footer-legal a {
    font-size: var(--size-small);
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--accent-primary);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --size-display: 3.5rem;
        --size-h1: 2.5rem;
        --size-h2: 2rem;
    }

    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .hero-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }

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

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .pillars-grid {
        grid-template-columns: 1fr;
    }

    .approach-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
}

@media (max-width: 768px) {
    :root {
        --size-display: 2.5rem;
        --size-h1: 2rem;
        --size-h2: 1.75rem;
        --space-5xl: 5rem;
        --space-4xl: 4rem;
    }

    .container {
        padding: 0 var(--space-lg);
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        padding: var(--space-xl);
        gap: var(--space-lg);
        border-bottom: 1px solid var(--border-subtle);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .contact-form {
        padding: var(--space-xl);
    }
}

@media (max-width: 480px) {
    :root {
        --size-display: 2rem;
        --size-h1: 1.75rem;
        --size-body: 1rem;
    }

    .hero-label {
        font-size: var(--size-tiny);
    }

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

/* ============================================
   UTILITY ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--size-tiny);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}