/* ========================================
   LA TRAME BIARRITZ - Vincent Douleau
   Site Vitrine
   ======================================== */

/* Variables */
:root {
    --primary-dark: #000034;
    --primary-blue: #222759;
    --accent-gold: #b28b15;
    --light-blue: #9093ac;
    --light-gray: #f9f9f9;
    --white: #ffffff;
    --text-light: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.7);
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

/* Prevent FOUT (Flash of Unstyled Text) */
body {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-light);
    background-color: var(--primary-dark);
    opacity: 0;
    transition: opacity 0.3s ease;
}

body.fonts-loaded {
    opacity: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); color: var(--accent-gold); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
    margin-bottom: 1.2rem;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--white);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

/* Header / Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(0, 0, 52, 0.95) 0%, rgba(0, 0, 52, 0.8) 100%);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(0, 0, 52, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 1.2rem;
    color: var(--white);
    font-weight: 300;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-light);
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero-bg.png') center center / cover no-repeat;
    opacity: 0.6;
    z-index: -1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
        rgba(0, 0, 52, 0.7) 0%,
        rgba(0, 0, 52, 0.5) 50%,
        rgba(0, 0, 52, 0.8) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--accent-gold);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero-tagline {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-style: italic;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: var(--transition);
    cursor: pointer;
    background: transparent;
}

.btn:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

.btn-primary:hover {
    background: transparent;
    color: var(--accent-gold);
}

.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.divider {
    width: 80px;
    height: 1px;
    background: var(--accent-gold);
    margin: 1.5rem auto;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: rgba(34, 39, 89, 0.5);
    border: 1px solid rgba(178, 139, 21, 0.2);
    padding: 2rem;
    border-radius: 4px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-5px);
}

.card h3 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

/* List Styles */
.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border: 1px solid var(--accent-gold);
    border-radius: 50%;
}

/* Info Boxes */
.info-box {
    background: rgba(34, 39, 89, 0.3);
    border-left: 3px solid var(--accent-gold);
    padding: 2rem;
    margin: 2rem 0;
}

.info-box.warning {
    border-left-color: #e67e22;
    background: rgba(230, 126, 34, 0.1);
}

/* Contact Info */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--accent-gold);
    min-width: 40px;
}

.contact-details h4 {
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

/* FAQ Accordion */
.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem 0;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.1rem;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--accent-gold);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-gold);
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 1.5rem;
}

/* Timeline / Parcours */
.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--accent-gold);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -3rem;
    top: 0;
    width: 10px;
    height: 10px;
    background: var(--accent-gold);
    border-radius: 50%;
    transform: translateX(-50%);
}

.timeline-date {
    color: var(--accent-gold);
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background: rgba(0, 0, 52, 0.95);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(178, 139, 21, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Page Header (for inner pages) */
.page-header {
    padding: 10rem 0 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero-bg.png') center center / cover no-repeat;
    opacity: 0.3;
    z-index: -1;
}

/* Two Column Layout */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.two-col.reverse {
    direction: rtl;
}

.two-col.reverse > * {
    direction: ltr;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 968px) {
    .two-col {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .two-col.reverse {
        direction: ltr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 5rem 2rem;
        gap: 1.5rem;
        transition: var(--transition);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

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

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

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

    section {
        padding: 3rem 0;
    }

    .hero-content {
        padding: 1rem;
    }

    .btn-group {
        flex-direction: column;
        align-items: center;
    }

    .container {
        padding: 0 1rem;
    }
}

/* Scroll to top button */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    color: var(--primary-dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    font-size: 1.2rem;
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(178, 139, 21, 0.4);
}