/* ========================================
   CSS Design System — CountryEdu GenAI
   ======================================== */

/* --- CSS Variables / Design Tokens --- */
:root {
    /* Colors */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #111118;
    --color-bg-card: #16161f;
    --color-bg-card-hover: #1c1c28;
    --color-surface: #1e1e2a;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(255, 255, 255, 0.12);

    --color-text-primary: #f0f0f5;
    --color-text-secondary: #9898a8;
    --color-text-muted: #6a6a7a;

    /* Brand gradient: orange to blue (like the template border) */
    --gradient-brand: linear-gradient(135deg, #F97316, #FB923C, #F59E0B, #EAB308);
    --gradient-accent: linear-gradient(135deg, #F97316, #3B82F6);
    --gradient-hero: linear-gradient(135deg, #F97316 0%, #F59E0B 50%, #3B82F6 100%);
    --gradient-card: linear-gradient(145deg, rgba(249, 115, 22, 0.08), rgba(59, 130, 246, 0.08));
    --gradient-glow: radial-gradient(600px circle, rgba(249, 115, 22, 0.12), transparent 70%);

    --color-accent: #F97316;
    --color-accent-2: #3B82F6;
    --color-success: #22C55E;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 120px 0;
    --container-max: 1200px;
    --container-padding: 0 24px;

    /* Borders & Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 60px rgba(249, 115, 22, 0.15);
    --shadow-glow-blue: 0 0 60px rgba(59, 130, 246, 0.15);

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul,
ol {
    list-style: none;
}

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

/* --- Container --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* --- Particles Background --- */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0;
    animation: floatParticle 8s infinite;
}

@keyframes floatParticle {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }

    10% {
        opacity: 0.6;
    }

    90% {
        opacity: 0.2;
    }

    100% {
        opacity: 0;
        transform: translateY(-10vh) scale(1);
    }
}

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

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 40px;
    /* Start below announcement bar */
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 16px 0;
    transition: var(--transition-normal);
    background: #111111;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
}

.navbar.scrolled {

    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    background: #000;
    mix-blend-mode: screen;
    border-radius: 4px;
    padding: 2px 4px;
    transition: height var(--transition-normal);
}

.navbar.scrolled .logo-img {
    height: 40px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.logo-tagline {
    font-size: 0.65rem;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-brand);
    border-radius: 2px;
    transition: width var(--transition-normal);
}

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

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

.nav-btn {
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    background: var(--gradient-brand);
    color: #fff;
    transition: var(--transition-normal);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.nav-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 25px rgba(249, 115, 22, 0.4);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    z-index: 1001;
}

.mobile-toggle span {
    width: 22px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
    transform-origin: center;
}

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

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

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ========================================
   ANNOUNCEMENT BAR
   ======================================== */
.announcement-bar {
    position: fixed;
    top: 0;
    /* Move to the very top */
    left: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--color-border);
    height: 40px;
    display: flex;
    align-items: center;
    z-index: 999;
    overflow: hidden;
    white-space: nowrap;
    transition: var(--transition-normal);
}

.announcement-content {
    display: flex;
    animation: marquee 30s linear infinite;
}

.announcement-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 40px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.9;
}

.star {
    color: #FBBF24;
    font-size: 1.1rem;
    filter: drop-shadow(0 0 5px rgba(251, 191, 36, 0.5));
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 160px 0 60px;
    /* Increased top padding to account for navbar + announcement bar */
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
    /* Aligned tops to bring card-title level with badge */
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.25);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.3);
    }
}

.hero-duration {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.duration-line {
    width: 40px;
    height: 2px;
    background: var(--gradient-brand);
    border-radius: 2px;
}

.duration-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 1px;
}

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

.hero-title-line {
    display: block;
}

.hero-title-large {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -2px;
    background: linear-gradient(135deg, #fff 0%, #ccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.hero-title-sub {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.hero-title-accent {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.hero-title-multi {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.hero-audience {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    margin-bottom: 32px;
}

.audience-label {
    color: var(--color-text-secondary);
}

.audience-highlight {
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 48px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(249, 115, 22, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-hover);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-text-muted);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.1rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* Hero Visual — Code Card */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 62px;
    /* Aligned with "1-Month" heading */
}

.hero-card {
    position: relative;
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-12px);
    }
}

.card-glow {
    position: absolute;
    inset: -2px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.5;
    filter: blur(8px);
}

.card-content {
    background: #0d0d14;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--color-border);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.card-dots span:nth-child(1) {
    background: #FF5F56;
}

.card-dots span:nth-child(2) {
    background: #FFBD2E;
}

.card-dots span:nth-child(3) {
    background: #27C93F;
}

.card-title {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-family: 'Courier New', monospace;
}

.card-code {
    padding: 20px;
    font-size: 0.82rem;
    line-height: 1.7;
    font-family: 'Courier New', monospace;
    overflow-x: auto;
}

.card-code pre {
    margin: 0;
}

.code-keyword {
    color: #C792EA;
}

.code-module {
    color: #82AAFF;
}

.code-class {
    color: #FFCB6B;
}

.code-func {
    color: #82AAFF;
}

.code-string {
    color: #C3E88D;
}

.code-comment {
    color: #546E7A;
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(22, 22, 31, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-primary);
    box-shadow: var(--shadow-card);
    white-space: nowrap;
}

.fb-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 4px;
}

.tool-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.tool-logo-svg {
    width: 40px;
    height: 40px;
}

.badge-python {
    top: 10%;
    right: -10%;
    animation: floatBadge 5s ease-in-out infinite;
}

.badge-ai {
    bottom: 20%;
    left: -5%;
    animation: floatBadge 6s ease-in-out infinite 1s;
}

.badge-ml {
    bottom: 5%;
    right: 5%;
    animation: floatBadge 7s ease-in-out infinite 2s;
}

@keyframes floatBadge {

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

    50% {
        transform: translateY(-8px);
    }
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border-hover);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-indicator span {
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {

    0%,
    100% {
        opacity: 0;
        transform: translateY(0);
    }

    50% {
        opacity: 1;
        transform: translateY(8px);
    }
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   TOOLS SECTION
   ======================================== */
.tools-section {
    padding: var(--section-padding);
    position: relative;
}

.tools-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: var(--gradient-glow);
    pointer-events: none;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.tool-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tool-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-glow);
}

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

.tool-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    position: relative;
    z-index: 1;
}

.tool-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.tool-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.tool-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(249, 115, 22, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

/* ========================================
   PROGRAM HIGHLIGHTS
   ======================================== */
.program-section {
    padding: var(--section-padding);
    background: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-card);
}

.feature-card:hover::after {
    transform: scaleX(1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(249, 115, 22, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-accent);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
   CURRICULUM SECTION
   ======================================== */
.curriculum-section {
    padding: var(--section-padding);
    position: relative;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-2));
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
    opacity: 0;
    transform: translateX(-20px);
    transition: var(--transition-slow);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-marker {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-bg);
    border: 2px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.2);
}

.timeline-marker span {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.timeline-content {
    flex: 1;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-card);
}

.timeline-week {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(249, 115, 22, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.timeline-list li {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.timeline-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* ========================================
   BENEFITS SECTION
   ======================================== */
.benefits-section {
    padding: var(--section-padding);
    background: var(--color-bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.benefit-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.benefit-card:hover {
    transform: translateY(-4px);
    border-color: rgba(249, 115, 22, 0.3);
    box-shadow: var(--shadow-glow);
}

.benefit-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(59, 130, 246, 0.1));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ========================================
   ENROLLMENT SECTION
   ======================================== */
.enrollment-section {
    padding: var(--section-padding);
    position: relative;
}

.enrollment-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.enrollment-glow {
    position: absolute;
    inset: -2px;
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.4;
    filter: blur(12px);
}

.enrollment-content {
    text-align: center;
    padding: 80px 60px;
}

.enrollment-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.enrollment-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.enrollment-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.enroll-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.enrollment-note {
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 80px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-top: 16px;
}

.footer-links-group h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links-group a {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    padding: 6px 0;
    transition: color var(--transition-fast);
}

.footer-links-group a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-url {
    color: var(--color-accent);
    font-weight: 600;
}

.footer-url:hover {
    text-decoration: underline;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* --- Large Tablets / Small Laptops (1280px) --- */
@media (max-width: 1280px) {
    .container {
        max-width: 960px;
    }

    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .tool-card {
        padding: 24px 16px;
    }

    .hero-title-large {
        font-size: 3.8rem;
    }

    .hero-title-accent {
        font-size: 4.2rem;
    }

    .hero-card {
        max-width: 400px;
    }

    .features-grid {
        gap: 20px;
    }

    .benefits-grid {
        gap: 20px;
    }

    .footer-grid {
        gap: 32px;
    }
}

/* --- Tablets (1024px) --- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 100px 0;
    }

    .container {
        max-width: 720px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-duration {
        justify-content: center;
    }

    .hero-audience {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .hero-title-large {
        font-size: 3.5rem;
    }

    .hero-title-accent {
        font-size: 4rem;
    }

    .hero-title-multi {
        font-size: 1.6rem;
    }

    .hero-title-sub {
        font-size: 1.2rem;
    }

    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: 2.4rem;
    }

    .enrollment-content {
        padding: 60px 40px;
    }

    .enrollment-title {
        font-size: 2.5rem;
    }

    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 24px;
    }
}

/* --- Small Tablets / Large Phones (768px) --- */
@media (max-width: 768px) {
    :root {
        --section-padding: 72px 0;
    }

    .container {
        padding: 0 20px;
    }

    /* Navbar */
    .nav-links {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: fixed;
        top: 0;
        left: 100%;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 80px 40px;
        gap: 24px;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }

    .nav-links.active {
        transform: translateX(-100%);
    }

    .nav-link {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--color-text-primary);
        border-bottom: none;
        padding: 10px 0;
        width: auto;
        text-align: center;
    }

    .nav-btn {
        width: 100%;
        max-width: 280px;
        font-size: 1.1rem;
        padding: 14px 0;
        margin-top: 20px;
    }

    .mobile-toggle {
        display: flex;
        position: relative;
        z-index: 1001;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-badge {
        font-size: 0.78rem;
        padding: 6px 14px;
    }

    .hero-title-large {
        font-size: 2.8rem;
        letter-spacing: -1px;
    }

    .hero-title-sub {
        font-size: 1.1rem;
    }

    .hero-title-accent {
        font-size: 3.2rem;
    }

    .hero-title-multi {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .duration-text {
        font-size: 1.1rem;
    }

    /* Section Headers */
    .section-title {
        font-size: 1.9rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .section-header {
        margin-bottom: 40px;
    }

    /* Tools */
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .tool-card {
        padding: 24px 16px;
    }

    .tool-icon {
        width: 60px;
        height: 60px;
    }

    .tool-logo {
        width: 32px;
        height: 32px;
    }

    .tool-logo-svg {
        width: 32px;
        height: 32px;
    }

    .tool-name {
        font-size: 1rem;
    }

    .tool-desc {
        font-size: 0.8rem;
    }

    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-card {
        padding: 28px 24px;
    }

    .feature-card h3 {
        font-size: 1.1rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    /* Benefits */
    .benefits-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .benefit-card {
        padding: 28px 20px;
    }

    .benefit-number {
        font-size: 2.2rem;
    }

    .benefit-card h3 {
        font-size: 1.05rem;
    }

    .benefit-card p {
        font-size: 0.85rem;
    }

    /* Timeline */
    .timeline::before {
        left: 24px;
    }

    .timeline-marker {
        width: 48px;
        height: 48px;
        flex-shrink: 0;
    }

    .timeline-marker span {
        font-size: 1rem;
    }

    .timeline-item {
        gap: 20px;
        margin-bottom: 32px;
    }

    .timeline-content {
        padding: 22px;
    }

    .timeline-content h3 {
        font-size: 1.15rem;
    }

    .timeline-list li {
        font-size: 0.88rem;
    }

    /* Enrollment */
    .enrollment-content {
        padding: 48px 24px;
    }

    .enrollment-title {
        font-size: 2rem;
    }

    .enrollment-desc {
        font-size: 1rem;
    }

    .enrollment-features {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .btn-large {
        padding: 14px 36px;
        font-size: 1rem;
    }

    /* Footer */
    .footer {
        padding: 48px 0 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-desc {
        max-width: 400px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

/* --- Phones (480px) --- */
@media (max-width: 480px) {
    :root {
        --section-padding: 56px 0;
    }

    .container {
        padding: 0 16px;
    }

    /* Navbar */
    .navbar {
        padding: 12px 0;
    }

    .logo-name {
        font-size: 1.1rem;
    }

    .logo-tagline {
        font-size: 0.6rem;
    }

    /* Hero */
    .hero {
        padding: 150px 0 48px;
    }

    .hero-badge {
        font-size: 0.72rem;
        padding: 5px 12px;
        margin-bottom: 16px;
    }

    .hero-duration {
        margin-bottom: 12px;
    }

    .duration-line {
        width: 28px;
    }

    .duration-text {
        font-size: 1rem;
    }

    .hero-title {
        margin-bottom: 14px;
    }

    .hero-title-large {
        font-size: clamp(2rem, 10vw, 2.8rem);
        letter-spacing: -1px;
    }

    .hero-title-sub {
        font-size: clamp(1rem, 4vw, 1.2rem);
    }

    .hero-title-accent {
        font-size: clamp(2.5rem, 12vw, 3.5rem);
    }

    .hero-title-multi {
        font-size: clamp(1.1rem, 5vw, 1.4rem);
    }

    .hero-description {
        font-size: 1rem;
        max-width: 90%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-audience {
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
        font-size: 0.9rem;
        margin-bottom: 24px;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        gap: 12px;
        margin-bottom: 36px;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
    }

    .hero-stats {
        flex-direction: row;
        gap: 16px;
        width: 100%;
        justify-content: center;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .stat-plus {
        font-size: 1.2rem;
    }

    .stat-label {
        font-size: 0.72rem;
    }

    .stat-divider {
        width: 1px;
        height: 32px;
    }

    .hero-scroll {
        display: none;
    }

    /* Section headers */
    .section-badge {
        font-size: 0.7rem;
        letter-spacing: 1px;
        padding: 5px 12px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .section-header {
        margin-bottom: 32px;
    }

    /* Tools */
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        max-width: 320px;
        margin: 0 auto;
    }

    .tool-card {
        padding: 20px 12px;
    }

    .tool-icon {
        width: 52px;
        height: 52px;
        margin-bottom: 12px;
    }

    .tool-logo {
        width: 28px;
        height: 28px;
    }

    .tool-logo-svg {
        width: 28px;
        height: 28px;
    }

    .tool-name {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .tool-desc {
        font-size: 0.75rem;
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .tool-tag {
        font-size: 0.68rem;
        padding: 3px 8px;
    }

    /* Features */
    .feature-card {
        padding: 24px 20px;
    }

    .feature-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 14px;
    }

    .feature-icon svg {
        width: 24px;
        height: 24px;
    }

    .feature-card h3 {
        font-size: 1.05rem;
    }

    .feature-card p {
        font-size: 0.85rem;
    }

    /* Benefits */
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        max-width: 320px;
        margin: 0 auto;
    }

    .benefit-card {
        padding: 22px 16px;
    }

    .benefit-number {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }

    .benefit-card h3 {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }

    .benefit-card p {
        font-size: 0.8rem;
    }

    /* Timeline */
    .timeline::before {
        left: 18px;
    }

    .timeline-marker {
        width: 36px;
        height: 36px;
    }

    .timeline-marker span {
        font-size: 0.8rem;
    }

    .timeline-item {
        gap: 14px;
        margin-bottom: 24px;
    }

    .timeline-content {
        padding: 18px;
    }

    .timeline-week {
        font-size: 0.72rem;
        padding: 3px 10px;
    }

    .timeline-content h3 {
        font-size: 1.05rem;
        margin-bottom: 12px;
    }

    .timeline-list li {
        font-size: 0.82rem;
        padding: 4px 0 4px 16px;
    }

    .timeline-list li::before {
        width: 5px;
        height: 5px;
        top: 12px;
    }

    /* Enrollment */
    .enrollment-card {
        border-radius: var(--radius-lg);
    }

    .enrollment-content {
        padding: 36px 20px;
    }

    .enrollment-title {
        font-size: 1.7rem;
    }

    .enrollment-desc {
        font-size: 0.9rem;
        margin-bottom: 24px;
    }

    .enroll-feature {
        font-size: 0.85rem;
    }

    .enrollment-features {
        margin-bottom: 28px;
        gap: 10px;
    }

    .btn-large {
        padding: 14px 32px;
        font-size: 0.95rem;
    }

    .enrollment-note {
        font-size: 0.78rem;
    }

    /* Footer */
    .footer {
        padding: 36px 0 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-links-group {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4px 0;
    }

    .footer-links-group h4 {
        grid-column: 1 / -1;
        margin-bottom: 8px;
        font-size: 0.9rem;
    }

    .footer-links-group a {
        font-size: 0.85rem;
        padding: 4px 0;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 6px;
        text-align: center;
        font-size: 0.78rem;
    }
}

/* --- Small Phones (360px) --- */
@media (max-width: 360px) {
    .container {
        padding: 0 12px;
    }

    .hero-title-large {
        font-size: 1.8rem;
    }

    .hero-title-accent {
        font-size: 2.2rem;
    }

    .hero-title-sub {
        font-size: 0.85rem;
    }

    .hero-title-multi {
        font-size: 1rem;
    }

    .duration-text {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .tool-card {
        padding: 16px 10px;
    }

    .tool-icon {
        width: 44px;
        height: 44px;
    }

    .tool-logo,
    .tool-logo-svg {
        width: 24px;
        height: 24px;
    }

    .tool-name {
        font-size: 0.82rem;
    }

    .tool-desc {
        font-size: 0.7rem;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .enrollment-title {
        font-size: 1.5rem;
    }

    .enrollment-desc {
        font-size: 0.82rem;
    }

    .btn-large {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* ========================================
   ANIMATIONS (Scroll-triggered via JS)
   ======================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for grid items */
.animate-on-scroll:nth-child(1) {
    transition-delay: 0ms;
}

.animate-on-scroll:nth-child(2) {
    transition-delay: 80ms;
}

.animate-on-scroll:nth-child(3) {
    transition-delay: 160ms;
}

.animate-on-scroll:nth-child(4) {
    transition-delay: 240ms;
}

.animate-on-scroll:nth-child(5) {
    transition-delay: 320ms;
}

.animate-on-scroll:nth-child(6) {
    transition-delay: 400ms;
}

/* ===============================
   OVERFLOW FIX
================================*/

html, body {
overflow-x: hidden;
max-width: 100%;
}

/* Prevent large elements overflow */

.hero,
.tools-section,
.program-section,
.curriculum-section,
.benefits-section {
overflow-x: hidden;
}

/* Fix floating badges overflow */

.badge-python {
right: 0;
}

.badge-ai {
left: 0;
}

.badge-ml {
right: 0;
}

/* Hide floating badges on mobile */

@media (max-width: 768px) {

.floating-badge {
display: none;
}

/* Fix hero layout */

.hero-container {
grid-template-columns: 1fr;
gap: 30px;
}

/* Fix large glow background */

.hero::before,
.hero::after {
display: none;
}

}

/* Fix large desktop overflow */

@media (max-width: 1024px) {

.hero-visual {
display: none;
}

}