/* ==========================================
   Mad'ia - Digital Solutions
   Main Stylesheet
   ========================================== */

/* ==========================================
   CSS Variables - Palette Martiniquaise
   ========================================== */
:root {
    /* Palette Caraïbes */
    --caribbean-orange: #FF9F1C;
    --caribbean-gold: #FFBF69;
    --caribbean-white: #FFFFFF;
    --caribbean-mint: #CBF3F0;
    --caribbean-turquoise: #2EC4B6;
    --deep-teal: #0F4C5C;

    /* Alias pour compatibilité interne */
    --caribbean-blue: var(--caribbean-turquoise);
    --ocean-blue: var(--caribbean-mint);
    --tropical-teal: var(--caribbean-turquoise);
    --turquoise: var(--caribbean-turquoise);
    --sand-beige: #FFF4E1;
    --light-beige: #FFEBD0;
    --coral: var(--caribbean-orange);

    /* Couleurs neutres */
    --dark: #0F172A;
    --dark-secondary: #1E293B;
    --gray: #5B6B7F;
    --light-gray: #F5FBFD;
    --white: #FFFFFF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--caribbean-turquoise) 0%, var(--caribbean-mint) 100%);
    --gradient-accent: linear-gradient(135deg, var(--caribbean-orange) 0%, var(--caribbean-gold) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(46, 196, 182, 0.92) 0%, rgba(255, 159, 28, 0.88) 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', sans-serif;

    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;

    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 6px 20px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
    --shadow-xl: 0 18px 48px rgba(15, 23, 42, 0.16);

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray);
}

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

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

/* ==========================================
   Container & Layout
   ========================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 clamp(16px, 5vw, 40px);
}

section {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

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

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(77, 195, 209, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(77, 195, 209, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--caribbean-blue);
}

.btn-outline:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--caribbean-blue);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 18px;
}

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

/* ==========================================
   Section Headers
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--light-gray);
    color: var(--caribbean-blue);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-title {
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 15px 0;
}

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

.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-madia {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-tagline {
    font-size: 11px;
    font-weight: 500;
    color: var(--gray);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-weight: 500;
    color: var(--dark);
    position: relative;
    transition: var(--transition-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
    color: var(--caribbean-blue);
}

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

.nav-login {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
}

.nav-login::after {
    display: none;
}

.nav-login:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(77, 195, 209, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(245, 230, 211, 0.3) 0%, 
        rgba(109, 213, 237, 0.2) 50%, 
        rgba(20, 184, 166, 0.3) 100%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(77, 195, 209, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(20, 184, 166, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(109, 213, 237, 0.05) 0%, transparent 50%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--white);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--caribbean-blue);
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
}

.hero-title {
    margin-bottom: 30px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 40px;
    max-width: 550px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: left;
}

.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;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
    font-weight: 500;
}

/* Hero Visual Elements */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 20px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: float 3s ease-in-out infinite;
}

.floating-card .card-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 24px;
}

.floating-card .card-text {
    font-weight: 600;
    color: var(--dark);
    white-space: nowrap;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 20%;
    right: 5%;
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 30%;
    left: 0;
    animation-delay: 1s;
}

.card-4 {
    bottom: 10%;
    right: 15%;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--caribbean-blue);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--caribbean-blue);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(12px); }
}

/* ==========================================
   About Section
   ========================================== */
.about {
    background: var(--light-gray);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-graphic {
    position: relative;
    padding: 60px 48px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(203, 243, 240, 0.45) 0%, rgba(255, 191, 105, 0.35) 100%);
    border: 1px solid rgba(46, 196, 182, 0.25);
    box-shadow: var(--shadow-lg);
}

.about-graphic::after {
    content: "";
    position: absolute;
    inset: 18px;
    border-radius: calc(var(--radius-xl) - 12px);
    border: 1px dashed rgba(255, 159, 28, 0.35);
    pointer-events: none;
}

.about-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    border-radius: 999px;
    background: var(--caribbean-white);
    color: var(--deep-teal);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    margin-bottom: 36px;
}

.about-stats {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.about-stat span {
    display: block;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--deep-teal);
    line-height: 1;
}

.about-stat small {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(15, 23, 42, 0.65);
    margin-top: 6px;
}

.about-note {
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(15, 23, 42, 0.55);
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 24px;
}

.feature-content h4 {
    margin-bottom: 8px;
    color: var(--dark);
}

.feature-content p {
    color: var(--gray);
    font-size: 15px;
}

/* ==========================================
   Services Section
   ========================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--caribbean-blue);
}

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 32px;
    margin-bottom: 25px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card > p {
    margin-bottom: 25px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--gray);
}

.service-features i {
    color: var(--tropical-teal);
    font-size: 14px;
}

/* ==========================================
   Portfolio Section
   ========================================== */
.portfolio {
    background: var(--light-gray);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.filter-btn {
    padding: 12px 28px;
    background: var(--white);
    color: var(--dark);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-accent);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.portfolio-item {
    transition: var(--transition-smooth);
}

.portfolio-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(46, 196, 182, 0.18);
    display: flex;
    flex-direction: column;
    gap: 28px;
    height: 100%;
    transition: var(--transition-smooth);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 159, 28, 0.35);
}

.portfolio-visual {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 32px;
    box-shadow: var(--shadow-md);
}

.portfolio-card.gradient-mint .portfolio-visual {
    background: linear-gradient(135deg, #53d5c0 0%, #cbf3f0 100%);
}

.portfolio-card.gradient-lagoon .portfolio-visual {
    background: linear-gradient(135deg, #2ec4b6 0%, #58e1ce 100%);
}

.portfolio-card.gradient-sunrise .portfolio-visual {
    background: linear-gradient(135deg, #ffbf69 0%, #ffd9a8 100%);
}

.portfolio-card.gradient-coral .portfolio-visual {
    background: linear-gradient(135deg, #ff9f1c 0%, #ffbf69 100%);
}

.portfolio-card.gradient-gold .portfolio-visual {
    background: linear-gradient(135deg, #ffd27f 0%, #ffbf69 100%);
}

.portfolio-card.gradient-turquoise .portfolio-visual {
    background: linear-gradient(135deg, #2ec4b6 0%, #9ff5ea 100%);
}

.portfolio-body h3 {
    margin-bottom: 12px;
    color: var(--dark);
}

.portfolio-body p {
    margin-bottom: 18px;
    color: var(--gray);
}

.portfolio-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.portfolio-tags span {
    padding: 6px 14px;
    background: rgba(46, 196, 182, 0.15);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--deep-teal);
}

/* ==========================================
   Expertise Section
   ========================================== */
.expertise-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.expertise-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
}

.expertise-pillars {
    display: grid;
    gap: 24px;
    margin-top: 32px;
}

.pillar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid rgba(46, 196, 182, 0.2);
    box-shadow: var(--shadow-md);
}

.pillar h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.pillar h4 i {
    color: var(--caribbean-turquoise);
}

.pillar p {
    color: var(--gray);
    font-size: 0.95rem;
}

.expertise-highlights {
    display: grid;
    gap: 20px;
    margin-bottom: 30px;
}

.highlight-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 159, 28, 0.25);
}

.highlight-card i {
    font-size: 28px;
    color: var(--caribbean-orange);
    margin-bottom: 12px;
}

.highlight-card h4 {
    margin-bottom: 10px;
    color: var(--dark);
}

.highlight-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

.credibility-card {
    background: linear-gradient(135deg, rgba(255, 191, 105, 0.16) 0%, rgba(203, 243, 240, 0.24) 100%);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 1px solid rgba(46, 196, 182, 0.25);
    box-shadow: var(--shadow-lg);
}

.credibility-title {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--deep-teal);
    margin-bottom: 18px;
}

.credibility-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 18px;
}

.credibility-card li {
    color: var(--dark);
    font-size: 0.95rem;
}

.credibility-card strong {
    color: var(--deep-teal);
}

.credibility-note {
    font-size: 0.85rem;
    color: rgba(15, 23, 42, 0.65);
}

/* ==========================================
   Testimonials Section
   ========================================== */
.testimonials {
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(46, 196, 182, 0.18);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.testimonial-rating {
    color: var(--caribbean-orange);
    display: flex;
    gap: 6px;
}

.testimonial-text {
    font-size: 0.98rem;
    line-height: 1.7;
    color: var(--gray);
}

.testimonial-author {
    display: flex;
    gap: 16px;
    align-items: center;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--caribbean-mint);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--deep-teal);
    font-size: 20px;
}

.author-info h4 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 4px;
}

.author-info p {
    margin: 0;
    font-size: 0.85rem;
    color: rgba(15, 23, 42, 0.6);
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: clamp(2rem, 4vw, 3rem);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h3 {
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 20px;
}

.info-item h4 {
    margin-bottom: 8px;
}

.info-item a {
    color: var(--caribbean-blue);
    font-weight: 500;
}

.info-item a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-links a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    color: var(--caribbean-blue);
    border-radius: var(--radius-md);
    font-size: 20px;
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 15px;
    transition: var(--transition-smooth);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--caribbean-blue);
    box-shadow: 0 0 0 3px rgba(77, 195, 209, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-note {
    margin-top: 20px;
    font-size: 13px;
    color: var(--gray);
    text-align: center;
}

.form-note a {
    color: var(--caribbean-blue);
    text-decoration: underline;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-smooth);
}

.footer-col ul a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-bottom i {
    color: var(--coral);
}

/* ==========================================
   Back to Top Button
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-container,
    .about-grid,
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: 40px;
        gap: 30px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition-smooth);
        align-items: flex-start;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .service-card {
        padding: 32px 24px;
    }
    
    .portfolio-image {
        height: 280px;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(10px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-10px);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 48px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 28px 20px;
    }

    .portfolio-image {
        height: 220px;
    }
}