/* ========================================
   Modern Design System - Yonde Labs
   Clean, Professional, Minimal
   ======================================== */

:root {
    /* Primary Colors - Ocean Blues Palette V2 */
    --color-navy-deepest: #03256C;
    --color-navy-primary: #2541B2;
    --color-blue-medium: #3266A6;
    --color-cyan-bright: #06BEE1;

    /* Backward compatibility aliases */
    --color-primary: #2541B2;
    --color-primary-light: #06BEE1;
    --color-primary-dark: #03256C;
    --color-accent: #06BEE1;
    --color-bg-dark: #03256C;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-light: #F5F7FA;
    --color-gray: #666666;
    --color-text-dark: #1A1A1A;

    /* Extended neutrals for backward compatibility */
    --color-gray-50: #F5F7FA;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #666666;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #1A1A1A;

    /* Semantic Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;

    /* Spacing System (Modern - 8px base) */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.5rem;    /* 24px */
    --space-6: 2rem;      /* 32px */
    --space-8: 3rem;      /* 48px */
    --space-10: 5rem;     /* 80px */
    --space-12: 7.5rem;   /* 120px */
    --space-15: 3.75rem;  /* 60px */

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Georgia', serif;

    /* Font Sizes - Modern Scale */
    --text-xs: 0.75rem;     /* 12px */
    --text-sm: 0.875rem;    /* 14px */
    --text-base: 1rem;      /* 16px */
    --text-lg: 1.125rem;    /* 18px */
    --text-xl: 1.25rem;     /* 20px */
    --text-2xl: 1.5rem;     /* 24px */
    --text-3xl: 2rem;       /* 32px */
    --text-4xl: 3rem;       /* 48px */
    --text-5xl: 4rem;       /* 64px */

    /* Font Weights */
    --font-regular: 400;
    --font-semibold: 600;
    --font-bold: 700;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.25rem;   /* 4px */
    --radius: 0.5rem;       /* 8px */
    --radius-md: 0.75rem;   /* 12px */
    --radius-lg: 1rem;      /* 16px */
    --radius-xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Gradients - Ocean Blues V2 - More subtle and refined */
    --gradient-primary: linear-gradient(135deg, #2541B2 0%, #3266A6 100%);
    --gradient-hero: linear-gradient(135deg, #03256C 0%, #2541B2 100%);
    --gradient-cta: linear-gradient(135deg, #2541B2 0%, #3266A6 100%);
    --gradient-card: linear-gradient(180deg, #03256C 0%, #2541B2 100%);
    --gradient-accent: linear-gradient(135deg, #2541B2 20%, #3266A6 80%);
}

/* ========================================
   Reset & Base Styles
   ======================================== */

*, *::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-sans);
    font-size: var(--text-lg);  /* 18px for body text */
    line-height: 1.6;
    font-weight: var(--font-regular);
    color: var(--color-gray-900);
    background: var(--color-gray-50);
}

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

button {
    font-family: inherit;
    cursor: pointer;
}

/* ========================================
   Utility Classes
   ======================================== */

.container {
    width: 100%;
    max-width: 1400px;  /* Modern max-width */
    margin: 0 auto;
    padding: 0 80px;  /* Desktop: 80px horizontal padding */
}

.container-wide {
    max-width: 1400px;
}

/* Language Toggle - Show only selected language */
/* Default: ALWAYS show Chinese, hide English */
.lang-en {
    display: none !important;
}

.lang-zh {
    display: block !important;
}

/* Only when body has data-lang="en", show English and hide Chinese */
body[data-lang="en"] .lang-en {
    display: block !important;
}

body[data-lang="en"] .lang-zh {
    display: none !important;
}

/* ========================================
   Announcement Banner
   ======================================== */

.announcement-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(90deg, #06BEE1 0%, #3266A6 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: slideDownBanner 0.5s ease-out;
}

.announcement-banner.hidden {
    transform: translateY(-100%);
    transition: transform 0.3s ease-out;
}

.announcement-content {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1400px;
    padding: 12px 20px;
    position: relative;
}

.announcement-text {
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 500;
    margin: 0;
    text-align: center;
    line-height: 1.4;
    animation: pulse 2s ease-in-out infinite;
}

.announcement-link {
    color: #FFFFFF;
    font-weight: 600;
    text-decoration: underline;
    transition: opacity var(--transition-base);
    margin-left: 4px;
}

.announcement-link:hover {
    opacity: 0.8;
}

.announcement-close {
    position: absolute;
    right: 20px;
    background: transparent;
    border: none;
    color: #FFFFFF;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all var(--transition-base);
    opacity: 0.9;
}

.announcement-close:hover {
    background: rgba(255, 255, 255, 0.2);
    opacity: 1;
}

.announcement-close svg {
    display: block;
}

/* Pulse animation for announcement */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.95;
    }
}

/* Slide down animation */
@keyframes slideDownBanner {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

/* Adjust body when banner is visible */
body:has(.announcement-banner:not(.hidden)) {
    padding-top: 50px;
}

/* When banner is hidden, adjust navbar position */
body:has(.announcement-banner.hidden) .navbar {
    top: 0;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 50px;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;  /* Modern nav height */
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 80px;  /* Desktop: 80px */
    gap: var(--space-4);
}

/* Company Logo */
.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all var(--transition-base);
}

.company-logo {
    height: 90px;
    width: auto;
    transition: transform var(--transition-base);
}

.logo-link:hover .company-logo {
    transform: scale(1.05);
}

.logo {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.logo-text {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.025em;
}

.logo-subtitle {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    flex: 1;
    justify-content: center;
}

.nav-link {
    font-size: var(--text-base);  /* 16px for nav links */
    font-weight: 500;
    color: var(--color-gray-700);
    text-decoration: none;
    transition: color var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: #2541B2;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2541B2;
    transition: width var(--transition-base);
}

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

.apply-btn {
    background: linear-gradient(90deg, #2541B2 0%, #06BEE1 100%);
    color: #FFFFFF;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-full);
    border: none;
    font-size: var(--text-base);  /* 16px button text */
    font-weight: var(--font-semibold);  /* 600 */
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 65, 178, 0.3);
}

.apply-btn:hover {
    background: linear-gradient(90deg, #06BEE1 0%, #2541B2 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(6, 190, 225, 0.4);
}

.language-switch {
    display: flex;
    gap: var(--space-2);
    background: var(--color-gray-100);
    padding: var(--space-1);
    border-radius: var(--radius-full);
}

.lang-btn {
    padding: var(--space-2) var(--space-4);
    border: none;
    background: transparent;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-gray-600);
    transition: all var(--transition-base);
}

.lang-btn.active {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    margin-top: 50px; /* Only 50px for banner - navbar is transparent */
    min-height: 100vh;
    padding-top: 130px; /* 80px navbar height + 50px spacing */
    background: linear-gradient(135deg, rgba(3, 37, 108, 0.75) 0%, rgba(37, 65, 178, 0.75) 100%),
                url('images/hero1.jpg') center/cover no-repeat;
    color: var(--color-white);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-bottom: var(--space-12);  /* 120px bottom padding */
}

/* When banner is hidden */
body:has(.announcement-banner.hidden) .hero {
    margin-top: 0;  /* No banner, start from top */
    padding-top: 160px;  /* 80px navbar + more spacing */
    min-height: 100vh;
}

body:has(.announcement-banner.hidden) .navbar {
    top: 0;
}

.hero-background {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image:
        linear-gradient(var(--color-accent) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-accent) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: var(--text-sm);  /* 14px - small text */
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: var(--space-5);  /* 24px */
}

.hero-title {
    font-size: var(--text-5xl);  /* 64px - desktop hero H1 */
    font-weight: var(--font-bold);  /* 700 */
    line-height: 1.2;
    margin-bottom: var(--space-5);  /* 24px spacing */
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: var(--text-lg);  /* 18px - body text size */
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-10);  /* 40px before button */
    line-height: 1.6;
}

.hero-stats {
    display: none;  /* Hidden - stats section removed from hero */
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin: var(--space-10) 0 var(--space-8);
}

.cta-primary {
    background: var(--color-white);
    color: var(--color-primary);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    border: none;
    font-size: var(--text-base);  /* 16px button text */
    font-weight: var(--font-semibold);  /* 600 */
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.cta-secondary {
    background: transparent;
    color: var(--color-white);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-size: var(--text-base);  /* 16px button text */
    font-weight: var(--font-semibold);  /* 600 */
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.deadline-banner {
    display: inline-flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--text-sm);
}

.deadline-date {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

/* ========================================
   Section Styles
   ======================================== */

section {
    padding: var(--space-12) 0;  /* 120px vertical padding for major sections */
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-10);  /* 80px spacing after header */
}

.section-title {
    font-size: var(--text-4xl);  /* 48px - H2 desktop */
    font-weight: var(--font-bold);  /* 700 */
    color: var(--color-gray-900);
    margin-bottom: var(--space-5);  /* 24px heading to paragraph */
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--text-lg);  /* 18px - body text */
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ========================================
   Credibility Badges
   ======================================== */

.credibility {
    background: var(--color-gray-50);
    padding: 0;
    border: none;
    display: none; /* Hide credibility section to remove white space */
}

.credibility-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.credibility-grid img {
    height: 48px;
    opacity: 0.5;
    filter: grayscale(100%);
    transition: all var(--transition-base);
}

.credibility-grid img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* ========================================
   Partner Universities Section - Rolling Banner
   ======================================== */

.partner-universities {
    background: var(--color-gray-50);
    padding: 3.75rem 0;  /* 60px vertical padding */
    border-bottom: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.universities-heading {
    font-size: var(--text-xl);  /* 20px */
    font-weight: var(--font-semibold);  /* 600 */
    color: var(--color-gray-700);
    text-align: center;
    margin-bottom: var(--space-8);  /* 48px */
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Marquee Container */
.universities-marquee {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: var(--space-4) 0;
}

/* Marquee Track */
.universities-track {
    display: flex;
    align-items: center;
    gap: 80px;  /* 80px spacing between logos */
    animation: scroll-universities 40s linear infinite;
    will-change: transform;
}

/* Pause animation on hover */
.universities-marquee:hover .universities-track {
    animation-play-state: paused;
}

/* Scrolling Animation */
@keyframes scroll-universities {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);  /* Move exactly half (one full set) */
    }
}

.university-item {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    height: 80px;  /* Fixed height for consistent alignment */
    padding: 0 20px;
}

.university-logo {
    max-height: 70px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    filter: grayscale(30%);
    opacity: 0.8;
    transition: all var(--transition-base);
}

/* Larger Cambridge logo */
.university-logo-large {
    max-height: 100px !important;  /* Significantly larger */
    max-width: 250px !important;
}

.university-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.08);
}

/* ========================================
   Partner Labs Section
   ======================================== */

.partner-labs {
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    padding: var(--space-8) 0;  /* 48px vertical padding - more compact */
    border-top: 1px solid var(--color-gray-200);
}

.labs-heading {
    font-size: var(--text-xl);  /* 20px - match universities heading */
    font-weight: var(--font-semibold);  /* 600 */
    color: var(--color-gray-700);
    text-align: center;
    margin-bottom: var(--space-8);  /* 48px */
    letter-spacing: 0.5px;
    text-transform: uppercase;
    line-height: 1.3;
}

.labs-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);  /* 7 columns for 7 labs */
    gap: var(--space-5);  /* 24px spacing between items - more compact */
    align-items: center;
    justify-items: center;
    max-width: 1100px;  /* Narrower max-width for more refined look */
    margin: 0 auto;
}

.lab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);  /* 12px between logo and name */
    text-align: center;
    transition: all var(--transition-base);
}

.lab-item:hover {
    transform: translateY(-2px);
}

.lab-logo {
    height: 50px;  /* Smaller height: 50px for more refined look */
    width: auto;
    object-fit: contain;
    filter: grayscale(40%);
    opacity: 0.75;
    transition: all var(--transition-base);
}

/* Make EAPS logo bigger to match other logos */
.lab-logo[alt="MIT EAPS"] {
    height: 62px;
}

.lab-item:hover .lab-logo {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

.lab-name {
    font-size: var(--text-xs);  /* 12px - smaller text */
    color: var(--color-gray-600);
    font-weight: 400;
    line-height: 1.4;
    max-width: 140px;  /* Narrower text width */
}

/* ========================================
   Mentors Section (Hidden)
   ======================================== */

.mentors {
    background: var(--color-white);
    display: none;  /* Hidden since replaced by partner labs */
}

.mentor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
}

.mentor-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.mentor-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-navy-primary);
}

.mentor-image {
    position: relative;
    height: 280px;
    background: linear-gradient(135deg, var(--color-blue-medium), var(--color-navy-primary));
    overflow: hidden;
}

.mentor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mentor-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--color-white);
    color: var(--color-navy-primary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    box-shadow: var(--shadow);
}

.mentor-card h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    padding: var(--space-5) var(--space-5) var(--space-2);
}

.mentor-title {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    padding: 0 var(--space-5);
}

.mentor-field {
    font-size: var(--text-sm);
    color: var(--color-navy-primary);
    font-weight: 500;
    padding: var(--space-2) var(--space-5) var(--space-5);
}

.mentor-stats {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-gray-100);
}

.mentor-stats .stat {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    background: var(--color-gray-50);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
}

/* ========================================
   Lab Showcase
   ======================================== */

.lab-showcase {
    background: var(--color-gray-50);
}

/* Simple two-column layout */
.lab-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: start;
}

.lab-gallery {
    position: relative;
}

.lab-image.main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.lab-image.main img {
    width: 100%;
    height: auto;
    transition: opacity 200ms ease;
}

.lab-label {
    position: absolute;
    bottom: var(--space-5);
    left: var(--space-5);
    background: var(--color-white);
    color: var(--color-navy-primary);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.lab-thumbnails {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.lab-thumbnails img {
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    opacity: 0.8;
}

.lab-thumbnails img:hover {
    opacity: 1;
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* Right Side Outcomes with Pagination */
.lab-outcomes-right {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.outcomes-carousel {
    position: relative;
    min-height: 450px;
}

.outcomes-page {
    display: none;
    flex-direction: column;
    gap: var(--space-6);
}

.outcomes-page.active {
    display: flex;
}

.outcomes-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
}

.outcomes-prev,
.outcomes-next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--color-navy-primary);
    background: var(--color-white);
    color: var(--color-navy-primary);
    font-size: var(--text-xl);
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.outcomes-prev:hover,
.outcomes-next:hover {
    background: var(--color-navy-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.outcomes-prev:disabled,
.outcomes-next:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.outcomes-indicator {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    font-weight: 500;
}

.outcomes-indicator .current-page {
    color: var(--color-navy-primary);
    font-weight: bold;
}

/* Lab Outcomes - New outcome-focused design */
.lab-outcomes {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.outcome-item {
    background: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-gray-300);
    transition: all var(--transition-base);
    position: relative;
}

.outcome-item:hover {
    border-left-color: var(--color-navy-primary);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.outcome-item.featured {
    /* Removed background to match other outcome items */
}

.outcome-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.outcome-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--color-white);
    background: var(--color-navy-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
}

.outcome-item.featured .outcome-number {
    background: var(--gradient-accent);
    box-shadow: 0 4px 12px rgba(37, 65, 178, 0.25);
}

.outcome-item h4 {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin: 0;
    line-height: 1.3;
    flex: 1;
}

.outcome-item p {
    font-size: var(--text-base);
    color: var(--color-gray-700);
    line-height: 1.7;
    margin-bottom: 0;
}

.outcome-bullets {
    list-style: none;
    margin-top: var(--space-3);
    padding-left: 0;
}

.outcome-bullets li {
    padding: var(--space-2) 0 var(--space-2) var(--space-6);
    color: var(--color-gray-700);
    position: relative;
    line-height: 1.6;
}

.outcome-bullets li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-navy-primary);
    font-weight: bold;
    font-size: var(--text-lg);
}

.outcome-quote {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: rgba(37, 65, 178, 0.05);
    border-left: 3px solid var(--color-navy-primary);
    border-radius: var(--radius);
}

.outcome-quote p {
    font-size: var(--text-base);
    font-style: italic;
    color: var(--color-gray-800);
    line-height: 1.6;
    margin: 0;
}

/* Legacy lab description styles (kept for backwards compatibility) */
.lab-description h3 {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-5);
    line-height: 1.3;
}

.highlight-text {
    font-size: var(--text-lg);
    color: var(--color-navy-primary);
    font-style: italic;
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: rgba(37, 65, 178, 0.05);
    border-left: 4px solid var(--color-navy-primary);
    border-radius: var(--radius);
}

.lab-features {
    list-style: none;
}

.lab-features li {
    padding: var(--space-4) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    border-bottom: 1px solid var(--color-gray-200);
    color: var(--color-gray-700);
}

.lab-features li:last-child {
    border-bottom: none;
}

.feature-icon {
    font-size: var(--text-2xl);
    flex-shrink: 0;
}

/* ========================================
   Research Areas Section
   ======================================== */

.research-areas {
    background: var(--color-white);
    padding-bottom: var(--space-8);  /* Reduce bottom padding */
}

.research-areas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.research-category {
    background: var(--color-gray-50);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.research-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-navy-primary);
}

.category-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 0 var(--space-5);
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.category-icon svg {
    width: 40px;
    height: 40px;
}

.category-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-5);
    line-height: 1.3;
}

.research-topics {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.research-topics li {
    font-size: var(--text-base);
    color: var(--color-gray-700);
    line-height: 1.7;
    padding-left: var(--space-5);
    position: relative;
}

.research-topics li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-navy-primary);
    font-weight: bold;
    font-size: var(--text-xl);
}

.research-topics li strong {
    color: var(--color-gray-900);
    font-weight: var(--font-semibold);
}

.research-footer {
    text-align: center;
    padding: var(--space-8);
    background: linear-gradient(135deg, rgba(37, 65, 178, 0.04), rgba(50, 102, 166, 0.04));
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
}

.research-note {
    font-size: var(--text-lg);
    color: var(--color-gray-700);
    line-height: 1.7;
    margin: 0;
    font-style: italic;
}

/* ========================================
   Achievements Section - Redesigned
   ======================================== */

.achievements {
    background: var(--color-white);
    padding-top: var(--space-8);  /* Reduce top padding */
}

/* Student Stories Grid */
.student-stories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

/* Student Story Card */
.student-story-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.student-story-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-navy-primary);
}

/* Student Header */
.student-header {
    display: flex;
    gap: var(--space-5);
    align-items: flex-start;
}

.student-avatar {
    flex-shrink: 0;
}

.student-avatar img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--color-navy-primary);
    box-shadow: 0 4px 12px rgba(37, 65, 178, 0.2);
    background: var(--color-white);
}

.student-meta {
    flex: 1;
}

.student-name {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.student-school {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-2);
}

.student-program {
    margin-bottom: var(--space-2);
}

.program-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-cta);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.student-outcome {
    font-size: var(--text-base);
    color: var(--color-navy-primary);
    font-weight: 600;
}

/* Highlighted Quote */
.student-quote-highlight {
    background: linear-gradient(135deg, rgba(37, 65, 178, 0.04), rgba(50, 102, 166, 0.04));
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-navy-primary);
    position: relative;
}

.student-quote-highlight::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 4rem;
    color: var(--color-navy-primary);
    opacity: 0.1;
    font-family: var(--font-serif);
    line-height: 1;
}

.student-quote-highlight p {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-gray-800);
    font-style: italic;
    position: relative;
    z-index: 1;
    margin: 0;
}

/* Project Achievements */
.project-achievements h4 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.achievement-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.achievement-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--color-gray-700);
    font-size: var(--text-base);
    line-height: 1.6;
}

.checkmark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-success);
    color: var(--color-white);
    border-radius: 50%;
    font-size: var(--text-sm);
    font-weight: bold;
    flex-shrink: 0;
}

/* Legacy carousel styles - kept for backwards compatibility but hidden */
.achievement-tabs {
    display: none;
}

.success-carousel {
    display: none;
}

.carousel-controls {
    display: none;
}

/* ========================================
   Program Details
   ======================================== */

.program-details {
    background: var(--color-gray-50);
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.program-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    position: relative;
}

.program-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.program-card.premium {
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-md);
}

.card-icon {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
}

/* Modern SVG Icons for Program Cards */
.program-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-5);
    background: linear-gradient(135deg, rgba(37, 65, 178, 0.08), rgba(50, 102, 166, 0.08));
    border-radius: var(--radius-xl);
    color: var(--color-navy-primary);
    transition: all var(--transition-base);
}

.program-icon svg {
    width: 48px;
    height: 48px;
}

.program-card:hover .program-icon {
    background: linear-gradient(135deg, rgba(37, 65, 178, 0.15), rgba(50, 102, 166, 0.15));
    transform: scale(1.05);
}

/* Premium Icon - Unified styling with other icons */
.program-icon-premium {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-5);
    background: linear-gradient(135deg, rgba(37, 65, 178, 0.08), rgba(50, 102, 166, 0.08));
    border-radius: var(--radius-xl);
    color: var(--color-navy-primary);
    transition: all var(--transition-base);
}

.program-icon-premium svg {
    width: 48px;
    height: 48px;
}

.program-card.premium:hover .program-icon-premium {
    background: linear-gradient(135deg, rgba(37, 65, 178, 0.15), rgba(50, 102, 166, 0.15));
    transform: scale(1.05);
}

.program-card h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.program-card p,
.card-description {
    color: var(--color-gray-600);
    margin-bottom: var(--space-5);
    font-size: var(--text-base);
    line-height: 1.6;
}

.card-description {
    font-weight: 500;
    color: var(--color-gray-700);
}

.program-card ul {
    list-style: none;
    text-align: left;
}

.program-card li {
    padding: var(--space-2) 0 var(--space-2) var(--space-5);
    color: var(--color-gray-700);
    position: relative;
    font-size: var(--text-sm);
}

.program-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-navy-primary);
}

.scarcity-banner {
    margin-top: var(--space-10);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    color: var(--color-white);
    text-align: center;
}

.scarcity-content h3 {
    font-size: var(--text-3xl);  /* 32px - H3 */
    font-weight: var(--font-bold);  /* 700 */
    margin-bottom: var(--space-5);  /* 24px */
    line-height: 1.3;
}

.selection-criteria {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    flex-wrap: wrap;
}

.selection-criteria span {
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
}

.spots-remaining {
    font-size: var(--text-lg);
    margin-top: var(--space-5);
}

.spots-remaining strong {
    font-size: var(--text-4xl);
    font-weight: 800;
}

/* ========================================
   Our Process Section
   ======================================== */

.our-process {
    background: var(--color-gray-50);
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    position: relative;
}

.process-step:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-navy-primary);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    background: var(--gradient-cta);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    box-shadow: 0 4px 12px rgba(37, 65, 178, 0.25);
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.step-description {
    font-size: var(--text-base);
    color: var(--color-gray-700);
    line-height: 1.7;
    margin: 0;
}

/* Add connecting line between steps */
.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 40px;
    bottom: -24px;
    width: 2px;
    height: 24px;
    background: var(--color-gray-300);
}

/* ========================================
   Long-term Value
   ======================================== */

.long-term-value {
    background: var(--color-white);
}

.value-timeline {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-8);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
}

.timeline-stage {
    text-align: center;
    flex: 1;
}

.stage-icon {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-3);
}

.timeline-stage h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.timeline-stage p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.timeline-arrow {
    font-size: var(--text-3xl);
    color: var(--color-navy-primary);
}

.alumni-network {
    text-align: center;
    margin-top: var(--space-12);
}

.alumni-network h3 {
    font-size: var(--text-3xl);  /* 32px - H3 */
    font-weight: var(--font-bold);  /* 700 */
    color: var(--color-gray-900);
    margin-bottom: var(--space-10);  /* 80px */
    line-height: 1.3;
}

.alumni-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
}

.stat-box {
    background: var(--color-gray-50);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    min-width: 160px;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.stat-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-navy-primary);
}

.stat-large {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-navy-primary);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-desc {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

/* ========================================
   Final CTA
   ======================================== */

.final-cta {
    background: #1E5BA8;
    color: var(--color-white);
    text-align: center;
    padding: var(--space-12) 0;  /* 120px vertical padding */
}

.cta-content h2 {
    font-size: var(--text-4xl);  /* 48px - H2 */
    font-weight: var(--font-bold);  /* 700 */
    margin-bottom: var(--space-5);  /* 24px */
    line-height: 1.2;
}

.cta-content p {
    font-size: var(--text-lg);  /* 18px - body text */
    opacity: 0.9;
    margin-bottom: var(--space-10);  /* 40px before button */
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.btn-apply {
    background: var(--color-white);
    color: #1E5BA8;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    border: none;
    font-size: var(--text-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-apply:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.95);
}

.btn-consult {
    background: transparent;
    color: var(--color-white);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-full);
    border: 2px solid var(--color-white);
    font-size: var(--text-base);
    font-weight: 500;
    transition: all var(--transition-base);
}

.btn-consult:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.contact-info {
    font-size: var(--text-sm);
    opacity: 0.9;
}

.contact-info p {
    margin-bottom: var(--space-3);
}

.contact-info p:last-child {
    margin-bottom: 0;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: #0A1628;
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-10) 0 var(--space-6);  /* 80px top, 32px bottom */
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-8);
}

.footer-section h4 {
    color: var(--color-white);
    font-size: 1.25rem;  /* 20px - increased from 18px */
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer-section p {
    font-size: var(--text-base);  /* 16px - increased from 14px */
    line-height: 1.8;
    margin-bottom: var(--space-2);
}

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

.footer-section li {
    margin-bottom: var(--space-2);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--text-base);  /* 16px - increased from 14px */
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: var(--color-blue-medium);
}

.tagline {
    font-style: italic;
    opacity: 0.7;
    margin-top: var(--space-2);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--text-base);  /* 16px - increased from 14px */
    opacity: 0.7;
}

/* ========================================
   Modal
   ======================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--color-white);
    margin: 5% auto;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    max-width: 600px;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.close {
    position: absolute;
    right: var(--space-6);
    top: var(--space-6);
    font-size: var(--text-3xl);
    color: var(--color-gray-400);
    cursor: pointer;
    transition: color var(--transition-base);
}

.close:hover {
    color: var(--color-gray-900);
}

.modal h2 {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    font-size: var(--text-base);
    font-family: inherit;
    transition: all var(--transition-base);
    background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-navy-primary);
    box-shadow: 0 0 0 3px rgba(37, 65, 178, 0.1);
}

.submit-btn {
    width: 100%;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-4);
    border-radius: var(--radius-full);
    border: none;
    font-size: var(--text-lg);
    font-weight: 600;
    transition: all var(--transition-base);
}

.submit-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* WeChat Modal Specific Styles */
.wechat-modal-content {
    max-width: 500px;
    text-align: center;
}

.wechat-modal-content h2 {
    margin-bottom: var(--space-8);
    color: var(--color-navy-primary);
}

.wechat-info {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    margin-top: var(--space-6);
}

.wechat-id {
    font-size: var(--text-lg);
    padding: var(--space-4);
    background: rgba(37, 65, 178, 0.08);
    border: 2px dashed var(--color-navy-primary);
    border-radius: var(--radius-lg);
    margin: var(--space-6) 0;
    display: inline-block;
    width: 100%;
}

.wechat-id strong {
    color: var(--color-navy-primary);
}

.wechat-qr {
    margin-top: var(--space-8);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.wechat-qr img {
    max-width: 250px;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Animations
   ======================================== */

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   Responsive Design - Modern Breakpoints
   ======================================== */

/* Tablet: 768px - 1199px */
@media (min-width: 768px) and (max-width: 1199px) {
    /* Container padding: 40px */
    .container {
        padding: 0 40px;
    }

    .nav-container {
        padding: 0 40px;
    }

    /* Typography scaling */
    .hero-title {
        font-size: 3rem;  /* 48px tablet */
    }

    .section-title {
        font-size: 2.25rem;  /* 36px tablet */
    }

    .lab-description h3,
    .scarcity-content h3,
    .alumni-network h3 {
        font-size: 1.5rem;  /* 24px tablet */
    }

    /* Section spacing: 80px */
    section {
        padding: 5rem 0;
    }

    .hero {
        padding: 5rem 0;
    }

    .final-cta {
        padding: 5rem 0;
    }

    .footer {
        padding: 5rem 0 var(--space-6);
    }

    /* Layout adjustments */
    .lab-feature {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    /* Partner universities responsive - tablet */
    .universities-track {
        gap: 60px;  /* Smaller gap on tablet */
    }

    .university-logo {
        max-height: 60px;
    }

    .university-logo-large {
        max-height: 85px !important;
    }

    /* Partner labs responsive - 3 columns on tablet */
    .labs-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }

    /* Research areas responsive - 1 column on tablet */
    .research-areas-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    /* Process section responsive - tablet */
    .process-step {
        padding: var(--space-6);
    }

    .step-number {
        width: 56px;
        height: 56px;
        font-size: var(--text-xl);
    }

    .step-title {
        font-size: var(--text-lg);
    }

    /* Long-term value responsive - tablet */
    .value-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    /* Student stories responsive - 1 column on tablet */
    .student-stories-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

/* Mobile: max-width 767px */
@media (max-width: 767px) {
    /* Container padding: 20px */
    .container {
        padding: 0 20px;
    }

    .nav-container {
        padding: 0 20px;
    }

    /* Typography scaling - Mobile */
    body {
        font-size: var(--text-base);  /* 16px mobile body */
    }

    .hero-title {
        font-size: 2.5rem;  /* 40px mobile */
    }

    .section-title {
        font-size: 2rem;  /* 32px mobile */
    }

    .lab-description h3,
    .scarcity-content h3,
    .alumni-network h3,
    .cta-content h2 {
        font-size: 1.5rem;  /* 24px mobile */
    }

    /* Section spacing: 60px */
    section {
        padding: 3.75rem 0;
    }

    .hero {
        padding: 3.75rem 0;
    }

    .final-cta {
        padding: 3.75rem 0;
    }

    .footer {
        padding: 3.75rem 0 var(--space-6);
    }

    /* Navigation adjustments */
    .nav-menu {
        display: none;
    }

    /* Announcement banner mobile */
    .announcement-banner {
        height: 60px;
    }

    .announcement-text {
        font-size: 14px;
        line-height: 1.3;
        padding-right: 40px;
    }

    .announcement-close {
        right: 10px;
    }

    body:has(.announcement-banner:not(.hidden)) {
        padding-top: 60px;
    }

    .navbar {
        top: 60px;
    }

    .hero {
        margin-top: 140px;  /* 60px banner + 80px nav */
        min-height: calc(100vh - 140px);
    }

    body:has(.announcement-banner.hidden) .hero {
        margin-top: 80px;
        min-height: calc(100vh - 80px);
    }

    /* Layout adjustments */
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }

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

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

    .lab-feature {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .value-timeline {
        flex-direction: column;
    }

    .timeline-arrow {
        transform: rotate(90deg);
    }

    .alumni-stats {
        flex-direction: column;
        gap: var(--space-4);
    }

    .cta-buttons {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    /* Partner universities mobile - rolling banner */
    .universities-track {
        gap: 50px;  /* Smaller gap on mobile */
        animation: scroll-universities 30s linear infinite;  /* Faster on mobile */
    }

    .university-logo {
        max-height: 50px;  /* Smaller on mobile */
    }

    .university-logo-large {
        max-height: 70px !important;  /* Proportionally smaller on mobile */
    }

    .universities-heading {
        font-size: var(--text-base);  /* 16px on mobile */
        margin-bottom: var(--space-6);  /* 32px */
    }

    .university-item {
        height: 60px;
        padding: 0 10px;
    }

    /* Partner labs mobile - 2 columns for better space usage */
    .labs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);  /* 16px on mobile */
    }

    .lab-logo {
        height: 45px;  /* Smaller on mobile */
    }

    .lab-name {
        font-size: 12px;  /* Smaller text on mobile */
    }

    .labs-heading {
        font-size: var(--text-base);  /* 16px on mobile */
        margin-bottom: var(--space-6);  /* 32px */
    }

    /* Research areas responsive - 1 column on mobile */
    .research-areas-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .research-category {
        padding: var(--space-6);
    }

    .category-icon {
        width: 64px;
        height: 64px;
    }

    .category-title {
        font-size: var(--text-xl);
    }

    .research-topics li {
        font-size: var(--text-sm);
    }

    .research-note {
        font-size: var(--text-base);
    }

    /* Process section responsive - mobile */
    .process-step {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-5);
    }

    .step-number {
        width: 48px;
        height: 48px;
        font-size: var(--text-lg);
    }

    .step-title {
        font-size: var(--text-base);
    }

    .step-description {
        font-size: var(--text-sm);
    }

    .process-step:not(:last-child)::after {
        display: none;
    }

    /* Long-term value responsive - mobile */
    .value-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .value-card {
        padding: var(--space-6);
    }

    .value-icon {
        width: 64px;
        height: 64px;
    }

    .value-card h3 {
        font-size: var(--text-xl);
    }

    .value-card p {
        font-size: var(--text-sm);
    }

    /* Student stories responsive - 1 column on mobile */
    .student-stories-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .student-story-card {
        padding: var(--space-6);
    }

    .student-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .student-meta {
        text-align: center;
    }

    .student-avatar img {
        width: 80px;
        height: 80px;
    }

    .student-quote-highlight {
        padding: var(--space-5);
    }

    .student-quote-highlight::before {
        font-size: 3rem;
    }
}

/* ========================================
   Utility Animations
   ======================================== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

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

/* Icon Download Animation */
@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

.icon-download {
    animation: bounceDown 2s infinite;
}