/* ==========================================================================
   26 Télécom - Main Stylesheet
   ========================================================================== */

:root {
    /* Brand Colors */
    --primary: #ce0000;         /* Signature Red */
    --primary-light: #e60000;
    --primary-dark: #a30000;
    --dark: #262626;            /* Dark text */
    --darker: #1a1a1a;
    --light: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --gray: #6c757d;
    --dark-26-blue: #000024;    /* Navy/Infrastructure Blue */
    
    /* Variables */
    --border-radius: 8px;       /* Slightly sharper for a 'utility/tech' feel */
    --border-radius-pill: 50px;
    --transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-strong: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

/* ===== TYPOGRAPHY & HEADINGS ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
}

.section-title p {
    font-size: 1.15rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    background-color: var(--primary);
    color: var(--light);
    border: 2px solid var(--primary);
    border-radius: var(--border-radius-pill);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
}

.btn:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--light);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(206, 0, 0, 0.2);
}

.btn-light {
    background-color: var(--light);
    color: var(--primary);
    border-color: var(--light);
}

.btn-light:hover {
    background-color: var(--light-gray);
    color: var(--primary-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--light);
}

/* ===== HEADER & NAVIGATION ===== */
header {
    position: fixed;
    top: 15px;
    left: 2%;
    width: 96%;
    border-radius: var(--border-radius-pill);
    box-shadow: var(--shadow);
    z-index: 1000;
    background-color: var(--light);
    transition: var(--transition);
    height: 80px;
}

header.scrolled {
    background-color: rgba(0, 0, 36, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    height: 100%;
}

.logo-container img {
    height: 40px;
    width: auto;
    margin-right: 12px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
}

header.scrolled .logo-text {
    color: var(--light);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    font-weight: 500;
    color: var(--dark);
    padding: 8px 12px;
}

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

header.scrolled .nav-link {
    color: var(--light);
}

header.scrolled .nav-link:hover {
    color: var(--primary-light);
}

/* Header Buttons */
.nav-link.button-link {
    border: 2px solid transparent;
}
.nav-link.login-link {
    border: 2px solid var(--dark);
    border-radius: var(--border-radius-pill);
    padding: 8px 20px;
}
.nav-link.get-started-button {
    background-color: var(--primary);
    color: var(--light) !important;
    border-radius: var(--border-radius-pill);
    padding: 8px 24px;
}
header.scrolled .nav-link.login-link {
    border-color: var(--light);
}

/* Mobile Hamburger */
.hamburger {
    cursor: pointer;
    width: 24px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.hamburger span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

header.scrolled .hamburger span {
    background: var(--light);
}

.hamburger span:nth-child(1) { top: 0px; }
.hamburger span:nth-child(2), .hamburger span:nth-child(3) { top: 8px; }
.hamburger span:nth-child(4) { top: 16px; }

.hamburger.active span:nth-child(1), .hamburger.active span:nth-child(4) {
    opacity: 0;
}
.hamburger.active span:nth-child(2) {
    transform: rotate(45deg);
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg);
}

/* Mobile Nav Panel */
.mobile-nav-panel {
    position: absolute;
    top: calc(100% + 15px);
    left: 0;
    width: 100%;
    background-color: var(--light);
    border-radius: 20px;
    box-shadow: var(--shadow-strong);
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

header.scrolled .mobile-nav-panel {
    background-color: rgba(0, 0, 36, 0.95);
    backdrop-filter: blur(10px);
}

header.dropdown-panel-active .mobile-nav-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-nav-item {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--medium-gray);
    padding-bottom: 1rem;
}

header.scrolled .mobile-nav-item {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.mobile-nav-link {
    font-size: 1.2rem;
    font-weight: 600;
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--dark-26-blue);
    color: var(--light);
    padding: 4rem 0 0 0;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 40px;
    margin-right: 12px;
}

.footer-description {
    color: var(--gray);
    font-size: 0.95rem;
}

.footer-column h4 {
    color: var(--light);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--light);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray);
    margin-bottom: 1rem;
}

.footer-contact i {
    color: var(--primary);
}

.footer-contact a {
    color: var(--gray);
}

.footer-contact a:hover {
    color: var(--light);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--light);
    border-radius: 50%;
}

.social-link:hover {
    background-color: var(--primary);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    header {
        width: 100%;
        left: 0;
        top: 0;
        border-radius: 0;
    }
    
    .header-container {
        padding: 0 20px;
    }
    
    .mobile-nav-panel {
        top: 100%;
        border-radius: 0 0 20px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}