/* ================================================
   GOOGLE ADS WORKSHOP - TECH/CYBER VIBE REDESIGN
   Fresh Modern Design From Scratch
   ================================================ */

/* ===== CSS VARIABLES (TECH THEME) ===== */
:root {
    /* Neon Emerald/Cyan Palette */
    --primary: #10b981;
    --primary-light: #34d399;
    --accent: #06b6d4;
    --accent-bright: #22d3ee;

    /* Dark Tech Background */
    --bg-dark: #0a0e27;
    --bg-darker: #050816;
    --bg-card: rgba(15, 23, 42, 0.6);

    /* Text */
    --text-white: #ffffff;
    --text-light: #e2e8f0;
    --text-gray: #94a3b8;
    --text-muted: #64748b;

    /* Effects */
    --glow-primary: 0 0 20px rgba(16, 185, 129, 0.5);
    --glow-accent: 0 0 20px rgba(6, 182, 212, 0.5);
    --border-glow: 1px solid rgba(16, 185, 129, 0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #10b981, #06b6d4);
    --gradient-bg: linear-gradient(to bottom, #0a0e27, #050816);
    --gradient-text: linear-gradient(135deg, #10b981, #22d3ee);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--text-light);
    background: var(--bg-darker);
    overflow-x: hidden;
    position: relative;
}

/* Tech Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(16, 185, 129, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 185, 129, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* ===== HEADER ===== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Anton', sans-serif;
    font-size: 2rem;
    color: #ffffff !important;
    font-weight: 400;
    letter-spacing: 2px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

nav a {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--accent-bright);
}

nav a:hover::after {
    width: 100%;
}

.cta-btn {
    background: var(--gradient-primary);
    color: var(--text-white) !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: var(--glow-primary);
    transition: all 0.3s ease;
}

.cta-btn::after {
    display: none;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.6);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 20px 100px;
    background: radial-gradient(circle at 30% 50%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        var(--gradient-bg);
    overflow: hidden;
}

/* Animated Particles */
.hero::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(16, 185, 129, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(6, 182, 212, 0.3), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(34, 211, 238, 0.3), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(16, 185, 129, 0.3), transparent);
    background-size: 200% 200%;
    animation: particleFloat 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes particleFloat {

    0%,
    100% {
        transform: translate(0, 0);
    }

    25% {
        transform: translate(2%, -2%);
    }

    50% {
        transform: translate(-2%, 2%);
    }

    75% {
        transform: translate(2%, 1%);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(16, 185, 129, 0.1);
    border: var(--border-glow);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    box-shadow: var(--glow-primary);
}

.hero-headline {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-white);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subheadline {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

.hero-tagline {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: rgba(255, 255, 255, 0.65);
    max-width: 650px;
    margin: 0 auto 40px;
    line-height: 1.7;
    font-weight: 400;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

nav a {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

nav a:hover {
    color: var(--primary-light);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero-subheadline {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Stats Row */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.stat-card {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 16px;
    padding: 24px 32px;
    min-width: 180px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.2);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* CTA Button */
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    background: var(--gradient-primary);
    color: var(--text-white);
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.4);
    position: relative;
    overflow: hidden;
}

.hero-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.hero-cta:hover::before {
    width: 300px;
    height: 300px;
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px rgba(16, 185, 129, 0.6);
}

/* ===== SECTIONS ===== */
.section {
    position: relative;
    padding: 120px 40px;
    background: var(--bg-dark);
}

.section:nth-child(even) {
    background: var(--bg-darker);
}

.container {
    max-width: 1300px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Layouts */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

/* Cards */
.card {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(16, 185, 129, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.15);
}

.card h3 {
    font-size: 1.5rem;
    color: var(--text-white);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.card p {
    color: var(--text-gray);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Section Toggle Button */
.section-toggle-btn {
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--glow-primary);
}

.section-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.6);
}

.section-content {
    margin-top: 40px;
}

/* ===== AGENDA SECTION ===== */
.agenda-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 64px;
}

.agenda-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 24px;
    padding: 48px;
    position: relative;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.agenda-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: 24px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.agenda-card:hover::before {
    opacity: 0.3;
}

.agenda-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(16, 185, 129, 0.2);
}

.agenda-day {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.agenda-card h3 {
    font-size: 1.75rem;
    color: var(--text-white);
    margin-bottom: 24px;
}

.agenda-card ul {
    list-style: none;
    margin-bottom: 24px;
}

.agenda-card li {
    color: var(--text-light);
    padding: 12px 0;
    border-bottom: 1px solid rgba(16, 185, 129, 0.1);
}

.agenda-card li:last-child {
    border-bottom: none;
}

.agenda-card strong {
    color: var(--primary-light);
}

.agenda-summary {
    color: var(--text-gray);
    font-style: italic;
}

/* ===== FAQ SECTION ===== */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.1);
}

.faq-item h3 {
    font-size: 1.25rem;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.faq-item.card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Hidden Cards & Toggle */
.hidden-card {
    display: none;
}

.toggle-section {
    text-align: center;
    margin-top: 40px;
}

.secondary-btn {
    padding: 14px 32px;
    background: transparent;
    border: 2px solid var(--primary-light);
    color: var(--primary-light);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.secondary-btn:hover {
    background: var(--primary-light);
    color: var(--bg-darker);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.hidden-cta {
    margin-left: 20px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hidden-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.5);
    background: linear-gradient(135deg, #0ea578, #14f0b8);
}

/* ===== WHO SHOULD ATTEND ===== */
.agenda-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1300px;
    margin: 0 auto;
}

.agenda-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.agenda-card:hover {
    transform: translateY(-8px);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.15);
}

.day-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
    color: var(--bg-darker);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.agenda-card h3 {
    color: var(--text-white);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.agenda-card ul {
    list-style: none;
    padding: 0;
}

.agenda-card ul li {
    color: var(--text-gray);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.agenda-card ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-light);
    font-weight: bold;
}

/* ===== FAQ SECTION ===== */
.faq-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1300px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-8px);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.15);
}

.faq-item h3 {
    color: var(--text-white);
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.faq-item p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== ENROLLMENT FORM ===== */
.enroll-section {
    background: var(--bg-darker);
}

.form-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: 48px;
}

.enrollment-form {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 24px;
    padding: 48px;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: rgba(10, 14, 39, 0.8);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.submit-button {
    width: 100%;
    padding: 18px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.4);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(16, 185, 129, 0.6);
}

.form-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 24px;
}

.error-message {
    display: block;
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 6px;
}

.honeypot {
    display: none !important;
}

/* Success Message */
.success-card {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--primary-light);
    border-radius: 20px;
    padding: 48px;
    text-align: center;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 24px;
    color: white;
}

.success-card h3 {
    color: var(--primary-light);
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.success-card p {
    color: var(--text-gray);
}

.success-card p {
    color: var(--text-gray);
}

.success-note {
    color: var(--text-gray);
    margin-top: 16px;
    font-size: 0.95rem;
}

.secondary-button {
    margin-top: 24px;
    padding: 12px 28px;
    background: transparent;
    color: var(--primary-light);
    border: 2px solid var(--primary-light);
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background: var(--primary-light);
    color: var(--bg-dark);
}

/* Payment Modal */
.payment-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    overflow-y: auto;
    /* Allow scrolling if needed */
}

.payment-modal-content {
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 24px;
    padding: 48px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    /* Limit height to 90% of viewport */
    overflow-y: auto;
    /* Make content scrollable */
    position: relative;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    margin: auto;
    /* Center vertically when scrolling */
}

.payment-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.payment-close:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.payment-instructions {
    background: rgba(10, 14, 39, 0.5);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 32px;
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg-darker);
    border-top: 1px solid rgba(16, 185, 129, 0.2);
    padding: 60px 40px 30px;
}

.footer-grid {
    max-width: 1300px;
    margin: 0 auto 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    color: var(--primary-light);
    margin-bottom: 20px;
    font-size: 1.125rem;
}

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

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

.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-bright);
}

.footer-bottom {
    max-width: 1300px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(16, 185, 129, 0.1);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .header-content {
        padding: 16px 20px;
    }

    nav ul {
        gap: 20px;
        font-size: 0.875rem;
    }

    .hero {
        padding: 120px 20px 80px;
    }

    .section {
        padding: 80px 20px;
    }

    .grid,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .agenda-timeline {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {

    /* Mobile Header */
    .header-content {
        position: relative;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        padding: 80px 0 20px;
        transition: right 0.3s ease;
        z-index: 999;
        border-left: 1px solid rgba(16, 185, 129, 0.2);
    }

    nav.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        gap: 0;
        padding: 0 20px;
    }

    nav li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    nav a {
        display: block;
        padding: 16px 12px;
        font-size: 1.1rem;
    }

    nav a::after {
        display: none;
    }

    .logo {
        font-size: 1.25rem;
    }

    nav ul {
        gap: 12px;
    }

    .hero-headline {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-card {
        min-width: 150px;
        padding: 20px 24px;
    }

    .section-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .card,
    .agenda-card,
    .enrollment-form {
        padding: 32px 24px;
    }

    /* Payment Modal Mobile */
    .payment-modal-content {
        padding: 32px 20px;
        max-height: 85vh;
        border-radius: 16px;
    }

    .payment-instructions {
        padding: 16px;
    }

    /* Contact Modal Mobile */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .contact-modal-content {
        padding: 32px 20px;
    }

    /* Agenda & FAQ Grid Mobile */
    .agenda-grid,
    .faq-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}