/* ═══════════════════════════════════════════════════════
   COMPLETE SIMPLYTICS CSS
   Copy this entire file into: static/css/style.css
   ═══════════════════════════════════════════════════════ */

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

/* ─── CSS VARIABLES ─────────────────────────────────── */
:root {
    --ink: #0e1a12;           /* Main dark text color */
    --ink-soft: #3d5245;      /* Softer text for descriptions */
    --field: #1a6b3a;         /* Primary green (football field) */
    --field-mid: #145530;     /* Darker green for hover states */
    --field-dark:#0c3d22;     /* Very dark green for backgrounds */
    --chalk: #f0f4f1;         /* Light background color */
    --white: #ffffff;         /* Pure white */
    --accent: #b5e045;        /* Lime green accent color */
    --border: rgba(14,26,18,0.1); /* Subtle borders */
    --serif: 'DM Serif Display', Georgia, serif;
    --sans: 'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

/* FOOTER FIX - Makes body flex container so footer stays at bottom */
body { 
    font-family: var(--sans); 
    background: var(--chalk); 
    color: var(--ink); 
    line-height: 1.6; 
    -webkit-font-smoothing: antialiased; 
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* ═══════════════════════════════════════════════════════
   HEADER (Fixed navigation at top)
   ═══════════════════════════════════════════════════════ */
header { 
    position: fixed; 
    top: 0; 
    left: 0; 
    right: 0; 
    z-index: 1000; 
    padding: 1.25rem 2.5rem; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    background: rgba(240, 244, 241, 0.85); 
    backdrop-filter: blur(12px); 
    border-bottom: 1px solid var(--border); 
}

/* ─── LOGO (Top left SIMPLYTICS text) ────────────────── */
.logo { 
    font-family: var(--sans); 
    font-size: 1.4rem; 
    font-weight: 800; 
    color: var(--ink); 
    text-decoration: none; 
    letter-spacing: 0.02em; 
}

/* ─── HAMBURGER MENU (Three horizontal lines) ──────────── */
.hamburger { 
    width: 28px; 
    height: 24px; 
    display: flex; 
    flex-direction: column; 
    justify-content: space-between; 
    cursor: pointer; 
    background: none; 
    border: none; 
    padding: 0; 
    z-index: 1001; 
    position: relative; 
}

.hamburger span { 
    display: block; 
    width: 100%; 
    height: 3px; 
    background: var(--ink); 
    border-radius: 2px; 
    transition: all 0.3s; 
}

/* Hamburger animation when active (X shape) */
.hamburger.active span:nth-child(1) { transform: translateY(10.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-10.5px) rotate(-45deg); }

/* ─── NAVIGATION DROPDOWN ───────────────────────────── */
.nav-dropdown { 
    position: fixed; 
    top: 70px; 
    right: 2.5rem; 
    background: var(--white); 
    border: 1px solid var(--border); 
    border-radius: 12px; 
    box-shadow: 0 10px 40px rgba(0,0,0,0.15); 
    min-width: 220px; 
    opacity: 0; 
    visibility: hidden; 
    transform: translateY(-10px); 
    transition: all 0.3s; 
    z-index: 999; 
}

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

.nav-dropdown a { 
    display: block; 
    padding: 1rem 1.5rem; 
    color: var(--ink); 
    text-decoration: none; 
    font-size: 0.95rem; 
    font-weight: 500; 
    transition: all 0.2s; 
    border-bottom: 1px solid var(--border); 
}

.nav-dropdown a:last-child { border-bottom: none; }

.nav-dropdown a:hover { 
    background: var(--chalk); 
    color: var(--field); 
    padding-left: 1.75rem; 
}

/* ═══════════════════════════════════════════════════════
   FLOATING LANGUAGE SWITCHER (Bottom left corner)
   ═══════════════════════════════════════════════════════ */
.lang-float { 
    position: fixed; 
    bottom: 2rem; 
    left: 2rem; 
    z-index: 100; 
    display: flex; 
    gap: 0.3rem; 
    background: var(--white); 
    border: 1px solid var(--border); 
    padding: 4px; 
    border-radius: 10px; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.1); 
}

.lang-btn { 
    padding: 0.5rem 1rem; 
    font-family: var(--sans); 
    font-size: 0.85rem; 
    font-weight: 700; 
    letter-spacing: 0.05em; 
    border: none; 
    background: none; 
    color: var(--ink-soft); 
    border-radius: 8px; 
    cursor: pointer; 
    transition: all 0.2s; 
}

.lang-btn.active { 
    background: var(--ink); 
    color: var(--white); 
}

/* ═══════════════════════════════════════════════════════
   HERO SECTION (Main landing area)
   ═══════════════════════════════════════════════════════ */
.hero { 
    min-height: 100vh; 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 0; 
    padding-top: 80px; 
    position: relative; 
    overflow: hidden; 
}

/* ─── LEFT SIDE (Text content and form) ────────────────── */
.hero-left { 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    padding: 5rem 4rem 5rem 10vw; 
    position: relative; 
    z-index: 2; 
}

/* Small label above headline */
.hero-eyebrow { 
    display: inline-flex; 
    align-items: center; 
    gap: 0.5rem; 
    font-size: 0.75rem; 
    font-weight: 600; 
    letter-spacing: 0.12em; 
    text-transform: uppercase; 
    color: var(--field); 
    margin-bottom: 1.5rem; 
    opacity: 0; 
    animation: fadeUp 0.7s 0.1s forwards; 
}

/* Green line before eyebrow text */
.hero-eyebrow::before { 
    content: ''; 
    display: block; 
    width: 24px; 
    height: 2px; 
    background: var(--field); 
    border-radius: 2px; 
}

/* Main headline */
.hero h1 { 
    font-family: var(--serif); 
    font-size: clamp(2.8rem, 5vw, 4.2rem); 
    line-height: 1.05; 
    letter-spacing: -0.03em; 
    color: var(--ink); 
    margin-bottom: 1.5rem; 
    opacity: 0; 
    animation: fadeUp 0.7s 0.2s forwards; 
}

.hero h1 em { 
    font-style: italic; 
    color: var(--field); 
}

/* Subheadline (enhanced for visibility) */
.hero-sub { 
    font-size: 1.25rem; 
    color: #2a3f32; 
    max-width: 440px; 
    line-height: 1.6; 
    margin-bottom: 2.5rem; 
    font-weight: 400; 
    opacity: 0; 
    animation: fadeUp 0.7s 0.3s forwards; 
}

/* ═══════════════════════════════════════════════════════
   EMAIL FORM (FLOATING CARD STYLE - PROMINENT)
   ═══════════════════════════════════════════════════════ */
.email-form-wrap { 
    opacity: 0; 
    animation: fadeUp 0.7s 0.4s forwards; 
    background: var(--white); 
    padding: 2rem; 
    border-radius: 16px; 
    box-shadow: 0 8px 32px rgba(14, 26, 18, 0.12); 
    border: 1px solid rgba(26, 107, 58, 0.15); 
    max-width: 480px; 
    position: relative; 
}

/* "VENTELISTE" badge above form */
.waitlist-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), #9dd135);
    color: var(--ink);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(181, 224, 69, 0.3);
}

.email-row { 
    display: flex; 
    gap: 0.5rem; 
    margin-bottom: 0.75rem; 
}

/* Email input field */
.email-input { 
    flex: 1; 
    padding: 1rem 1.3rem; 
    font-family: var(--sans); 
    font-size: 0.95rem; 
    background: var(--chalk); 
    border: 2px solid transparent; 
    border-radius: 10px; 
    color: var(--ink); 
    transition: all 0.2s; 
}

.email-input:focus { 
    outline: none; 
    border-color: var(--field); 
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(26, 107, 58, 0.1); 
}

.email-input::placeholder { color: #9aada0; }

/* Submit button (LARGER & ACCENT COLOR) */
.submit-btn { 
    padding: 1rem 2.2rem; 
    font-family: var(--sans); 
    font-size: 1rem; 
    font-weight: 700; 
    background: var(--accent); 
    color: var(--ink); 
    border: none; 
    border-radius: 10px; 
    cursor: pointer; 
    white-space: nowrap; 
    transition: all 0.25s; 
    box-shadow: 0 4px 12px rgba(181, 224, 69, 0.3);
    position: relative;
}

/* Button hover effect */
.submit-btn:hover:not(:disabled) { 
    background: #a3e84f; 
    transform: translateY(-2px); 
    box-shadow: 0 6px 20px rgba(181, 224, 69, 0.4); 
}

.submit-btn:active:not(:disabled) {
    transform: translateY(0);
}

.submit-btn:disabled { 
    opacity: 0.55; 
    cursor: not-allowed; 
}

/* Small note below form */
.form-note { 
    font-size: 0.78rem; 
    color: #7a9484; 
}

/* Success/error messages */
.form-message { 
    margin-top: 0.75rem; 
    padding: 0.85rem 1rem; 
    border-radius: 8px; 
    font-size: 0.9rem; 
    font-weight: 500; 
    display: none; 
    animation: fadeUp 0.3s forwards; 
}

.form-message.success { 
    background: #e6f4ea; 
    color: #1a6b3a; 
    border: 1px solid #b2dfca; 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
}

.form-message.success::before { content: '✓'; font-weight: 700; }

.form-message.error { 
    background: #fdf0f0; 
    color: #c0392b; 
    border: 1px solid #f5c6c6; 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
}

.form-message.error::before { content: '!'; font-weight: 700; }

/* ═══════════════════════════════════════════════════════
   HERO RIGHT SIDE (Football field visualization)
   ═══════════════════════════════════════════════════════ */
.hero-right { 
    position: relative; 
    background: linear-gradient(145deg, var(--field-dark) 0%, var(--field) 60%, #2d8a50 100%); 
    overflow: hidden; 
}

/* Grass stripe pattern */
.hero-right::before { 
    content: ''; 
    position: absolute; 
    inset: 0; 
    background: repeating-linear-gradient(
        180deg, 
        transparent 0px, 
        transparent 60px, 
        rgba(255,255,255,0.04) 60px, 
        rgba(255,255,255,0.04) 120px
    ); 
}

/* Football pitch lines SVG */
.pitch-svg { 
    position: absolute; 
    inset: 0; 
    width: 100%; 
    height: 100%; 
    opacity: 0.15; 
}

/* ─── FLOATING CARDS (Show process steps) ────────────── */
.card-grid { 
    position: absolute; 
    inset: 0; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    align-items: center; 
    gap: 1rem; 
    padding: 3rem; 
}

.float-card { 
    background: rgba(255,255,255,0.12); 
    backdrop-filter: blur(8px); 
    border: 1px solid rgba(255,255,255,0.2); 
    border-radius: 14px; 
    padding: 1rem 1.4rem; 
    color: var(--white); 
    width: 100%; 
    max-width: 280px; 
    animation: floatCard 4s ease-in-out infinite; 
}

.float-card:nth-child(2) { animation-delay: 1.3s; margin-left: 40px; }
.float-card:nth-child(3) { animation-delay: 2.6s; margin-left: -20px; }

/* Floating animation */
@keyframes floatCard { 
    0%, 100% { transform: translateY(0px); } 
    50% { transform: translateY(-8px); } 
}

.card-label { 
    font-size: 0.65rem; 
    font-weight: 600; 
    letter-spacing: 0.1em; 
    text-transform: uppercase; 
    opacity: 0.6; 
    margin-bottom: 0.3rem; 
}

.card-value { 
    font-family: var(--serif); 
    font-size: 1.05rem; 
    line-height: 1.3; 
}

.card-tag { 
    display: inline-block; 
    margin-top: 0.5rem; 
    padding: 0.2rem 0.6rem; 
    background: var(--accent); 
    color: var(--ink); 
    border-radius: 4px; 
    font-size: 0.7rem; 
    font-weight: 700; 
}

/* ═══════════════════════════════════════════════════════
   CONTENT SECTIONS (Problem, How, Who, CTA)
   ═══════════════════════════════════════════════════════ */
.section { 
    padding: 6rem 10vw; 
    opacity: 0; 
    transform: translateY(30px); 
    transition: opacity 0.7s ease, transform 0.7s ease; 
}

.section.visible { 
    opacity: 1; 
    transform: translateY(0); 
}

/* Section label (small uppercase text with line) */
.section-label { 
    font-size: 0.72rem; 
    font-weight: 600; 
    letter-spacing: 0.12em; 
    text-transform: uppercase; 
    color: var(--field); 
    margin-bottom: 1rem; 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
}

.section-label::before { 
    content: ''; 
    display: block; 
    width: 20px; 
    height: 2px; 
    background: var(--field); 
}

/* Section headline */
.section h2 { 
    font-family: var(--serif); 
    font-size: clamp(2rem, 3.5vw, 3rem); 
    line-height: 1.1; 
    letter-spacing: -0.025em; 
    color: var(--ink); 
    margin-bottom: 1.5rem; 
    max-width: 600px; 
}

.section h2 em { 
    font-style: italic; 
    color: var(--field); 
}

.section p { 
    font-size: 1.05rem; 
    color: var(--ink-soft); 
    max-width: 580px; 
    line-height: 1.8; 
    font-weight: 300; 
}

/* ─── PROBLEM SECTION ───────────────────────────────── */
.problem { background: var(--white); }

/* ─── HOW IT WORKS SECTION ──────────────────────────── */
.how { background: var(--chalk); }

.steps { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 2rem; 
    margin-top: 3.5rem; 
}

.step { 
    padding: 2rem; 
    background: var(--white); 
    border-radius: 14px; 
    border: 1px solid var(--border); 
    transition: transform 0.2s, box-shadow 0.2s; 
}

.step:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 12px 30px rgba(14,26,18,0.08); 
}

.step-num { 
    font-family: var(--serif); 
    font-size: 3rem; 
    color: var(--field); 
    opacity: 0.2; 
    line-height: 1; 
    margin-bottom: 0.5rem; 
}

.step h3 { 
    font-family: var(--serif); 
    font-size: 1.15rem; 
    color: var(--ink); 
    margin-bottom: 0.5rem; 
}

.step p { 
    font-size: 0.9rem; 
    color: var(--ink-soft); 
    line-height: 1.7; 
}

/* ─── WHO SECTION (Dark background) ─────────────────── */
.who { 
    background: var(--field-dark); 
    color: var(--white); 
}

.who .section-label { color: var(--accent); }
.who .section-label::before { background: var(--accent); }
.who h2 { color: var(--white); }
.who h2 em { color: var(--accent); }
.who p { color: rgba(255,255,255,0.65); }

.who-list { 
    list-style: none; 
    margin-top: 2.5rem; 
    display: grid; 
    gap: 1rem; 
}

.who-list li { 
    display: flex; 
    align-items: flex-start; 
    gap: 0.9rem; 
    font-size: 1rem; 
    color: rgba(255,255,255,0.85); 
    line-height: 1.5; 
    font-weight: 300; 
}

.who-list li::before { 
    content: '→'; 
    color: var(--accent); 
    font-weight: 700; 
    flex-shrink: 0; 
    margin-top: 0.05em; 
}

.who-closing { 
    margin-top: 2.5rem; 
    padding: 1.5rem 2rem; 
    border-left: 3px solid var(--accent); 
    font-family: var(--serif); 
    font-size: 1.2rem; 
    color: rgba(255,255,255,0.9); 
    font-style: italic; 
    line-height: 1.5; 
}

/* ─── CTA SECTION (Final call to action) ────────────── */
.cta-section { 
    background: var(--chalk); 
    text-align: center; 
}

.cta-section .section-label { justify-content: center; }
.cta-section h2 { margin: 0 auto 1rem; text-align: center; }
.cta-section p { margin: 0 auto 2.5rem; text-align: center; }

/* Early bird benefits box */
.early-bird { 
    max-width: 600px; 
    margin: 0 auto 3rem; 
    padding: 2rem; 
    background: linear-gradient(135deg, #fff9e6, #fffef8); 
    border: 2px solid var(--accent); 
    border-radius: 14px; 
}

.early-bird-title { 
    font-family: var(--serif); 
    font-size: 1.3rem; 
    color: var(--ink); 
    margin-bottom: 1rem; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 0.5rem; 
}

.early-bird-title::before { content: '⚡'; font-size: 1.5rem; }

.early-bird-benefits { 
    list-style: none; 
    text-align: left; 
    display: inline-block; 
    margin: 0 auto; 
}

.early-bird-benefits li { 
    padding: 0.5rem 0; 
    font-size: 0.95rem; 
    color: var(--ink-soft); 
    display: flex; 
    align-items: center; 
    gap: 0.75rem; 
}

.early-bird-benefits li::before { 
    content: '✓'; 
    color: var(--field); 
    font-weight: 700; 
    font-size: 1.2rem; 
}

.cta-form-center { 
    max-width: 480px; 
    margin: 0 auto; 
}

/* ═══════════════════════════════════════════════════════
   CONTENT PAGES (Blog, Devlog, Videos)
   ═══════════════════════════════════════════════════════ */

/* PAGE HEADER */
.page-header {
    padding: 8rem 10vw 4rem;
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-family: var(--serif);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    line-height: 1.1;
    color: var(--ink);
    margin-bottom: 1rem;
}

.page-header h1 em {
    font-style: italic;
    color: var(--field);
}

.page-header p {
    font-size: 1.1rem;
    color: var(--ink-soft);
    max-width: 600px;
}

/* BLOG ARTICLES GRID */
.articles-container {
    padding: 4rem 10vw;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 50vh;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* ARTICLE CARD */
.article-card {
    background: var(--white);
    border-radius: 14px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(14, 26, 18, 0.1);
}

.article-image {
    width: 100%;
    height: 200px;
    background: var(--field);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.article-content {
    padding: 1.5rem;
}

.article-meta {
    font-size: 0.8rem;
    color: var(--field);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.article-title {
    font-family: var(--serif);
    font-size: 1.4rem;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 0.75rem;
}

.article-excerpt {
    font-size: 0.95rem;
    color: var(--ink-soft);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.article-read-more {
    color: var(--field);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.article-read-more::after {
    content: "→";
}

/* PLACEHOLDER STATE */
.placeholder {
    text-align: center;
    padding: 4rem 2rem;
    min-height: 40vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
    color: var(--field);
}

.placeholder h3 {
    font-family: var(--serif);
    font-size: 1.5rem;
    color: var(--ink-soft);
    margin-bottom: 0.5rem;
}

.placeholder p {
    color: var(--ink-soft);
    font-size: 0.95rem;
}

/* TIMELINE CONTAINER */
.timeline-container {
    padding: 4rem 10vw;
    max-width: 900px;
    margin: 0 auto;
    min-height: 50vh;
}

.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--border);
    border-radius: 2px;
}

/* UPDATE ITEM */
.update-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.update-item::before {
    content: "";
    position: absolute;
    left: -3rem;
    top: 0.3rem;
    width: 16px;
    height: 16px;
    background: var(--field);
    border: 3px solid var(--chalk);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--border);
}

.update-date {
    font-size: 0.85rem;
    color: var(--field);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.update-title {
    font-family: var(--serif);
    font-size: 1.5rem;
    color: var(--ink);
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.update-content {
    font-size: 1rem;
    color: var(--ink-soft);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.update-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--accent);
    color: var(--ink);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* VIDEOS CONTAINER */
.videos-container {
    padding: 4rem 10vw;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 50vh;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

/* VIDEO CARD */
.video-card {
    background: var(--white);
    border-radius: 14px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.video-embed {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    background: var(--field-dark);
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: 1.5rem;
}

.video-category {
    font-size: 0.8rem;
    color: var(--field);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.video-title {
    font-family: var(--serif);
    font-size: 1.3rem;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.video-description {
    font-size: 0.9rem;
    color: var(--ink-soft);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════ */
footer { 
    padding: 2.5rem 10vw; 
    border-top: 1px solid var(--border); 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    font-size: 0.85rem; 
    color: var(--ink-soft);
    margin-top: auto;
}

/* ═══════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════ */
@keyframes fadeUp { 
    from { opacity: 0; transform: translateY(20px); } 
    to { opacity: 1; transform: translateY(0); } 
}

/* ═══════════════════════════════════════════════════════
   MOBILE RESPONSIVE
   ═══════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    header { padding: 1rem 1.5rem; }
    .hero { grid-template-columns: 1fr; min-height: auto; }
    .hero-left { padding: 3rem 1.5rem 2.5rem; }
    .hero-sub { font-size: 1.1rem; }
    .hero-right { height: 320px; }
    .steps { grid-template-columns: 1fr; }
    .section { padding: 4rem 1.5rem; }
    footer { flex-direction: column; gap: 0.5rem; text-align: center; padding: 2rem 1.5rem; }
    .email-row { flex-direction: column; }
    .submit-btn { width: 100%; }
    .early-bird-benefits { text-align: center; }
    .early-bird-benefits li { justify-content: center; }
    .lang-float { left: 1rem; bottom: 1rem; }
    .nav-dropdown { right: 1.5rem; }
    .email-form-wrap { padding: 1.5rem; }
    
    /* Content pages mobile */
    .page-header {
        padding: 6rem 1.5rem 3rem;
    }
    
    .articles-container,
    .videos-container,
    .timeline-container {
        padding: 3rem 1.5rem;
    }
    
    .articles-grid,
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 2rem;
    }
    
    .update-item {
        padding-left: 1.5rem;
    }
    
    .update-item::before {
        left: -2.5rem;
    }
}
