/* ================================================================
   INNOVALEAD FOUNDATION — Global Design System
   Premium charity aesthetic with trust & warmth
   ================================================================ */

/* ---- CSS Custom Properties ---- */
:root {
    /* Primary Palette — Trust & Authority */
    --primary: #1a4d8f;
    --primary-light: #2563a8;
    --primary-dark: #0f3460;
    --primary-glow: rgba(26, 77, 143, 0.15);

    /* Accent — Warmth & Community */
    --accent: #e8853d;
    --accent-light: #f4a261;
    --accent-dark: #d4732a;

    /* Greens — Impact & Growth */
    --success: #2d9e6a;
    --success-light: #3dba80;

    /* Neutrals */
    --bg: #fafbfd;
    --bg-card: #ffffff;
    --bg-section: #f0f4f8;
    --bg-dark: #0c1b2e;
    --bg-dark-card: #142338;

    --text: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-inverse: #f1f5f9;

    --border: #e2e8f0;
    --border-light: #f1f5f9;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Sizing */
    --max-width: 1200px;
    --nav-height: 72px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*,
*::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-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
    color: var(--text);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
}

h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
}

h3 {
    font-size: clamp(1.15rem, 2vw, 1.5rem);
}

/* ---- Utility ---- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--primary-glow);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.8rem 1.8rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(26, 77, 143, 0.3);
}

.btn-primary:hover {
    background: var(--primary-light);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 77, 143, 0.35);
}

.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(232, 133, 61, 0.3);
}

.btn-accent:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 133, 61, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-white {
    background: #fff;
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--primary);
}

/* ---- Navigation ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-dark);
}

.nav-brand img {
    height: 38px;
    width: auto;
}

.nav-brand .brand-suffix {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--space-xs) 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-cta {
    margin-left: var(--space-sm);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    transition: all var(--transition-fast);
    border-radius: 2px;
}

/* ---- Hero ---- */
.hero {
    padding-top: calc(var(--nav-height) + var(--space-4xl));
    padding-bottom: var(--space-4xl);
    background: linear-gradient(135deg, var(--bg) 0%, #e8f0fe 40%, #dbe9f9 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26, 77, 143, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232, 133, 61, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    margin-bottom: var(--space-lg);
}

.hero h1 {
    margin-bottom: var(--space-lg);
    line-height: 1.15;
}

.hero h1 .highlight {
    color: var(--primary);
    position: relative;
}

.hero-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-stats-strip {
    display: flex;
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border);
}

.hero-stat {
    text-align: left;
}

.hero-stat .number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.hero-stat .label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* ---- Impact Cards ---- */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.impact-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    border: 1px solid var(--border);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.impact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

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

.impact-card:hover::before {
    transform: scaleX(1);
}

.impact-card .icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.impact-card h3 {
    margin-bottom: var(--space-sm);
}

.impact-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.impact-card.accent .icon {
    background: rgba(232, 133, 61, 0.12);
}

.impact-card.accent::before {
    background: var(--accent);
}

.impact-card.success .icon {
    background: rgba(45, 158, 106, 0.12);
}

.impact-card.success::before {
    background: var(--success);
}

/* ---- Programs Grid ---- */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.program-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition-slow);
}

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

.program-card-header {
    padding: var(--space-2xl);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
}

.program-card-header.accent-bg {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
}

.program-card-header.success-bg {
    background: linear-gradient(135deg, #1e7a50, var(--success));
}

.program-card-header h3 {
    color: #fff;
    margin-bottom: var(--space-xs);
}

.program-card-header .duration {
    font-size: 0.85rem;
    opacity: 0.85;
}

.program-card-body {
    padding: var(--space-xl);
}

.program-card-body p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.program-topics {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.topic-tag {
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-section);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ---- Team Section ---- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.team-card {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-slow);
}

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

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto var(--space-lg);
}

.team-card h3 {
    margin-bottom: var(--space-xs);
}

.team-card .role {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.team-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ---- CTA Banner ---- */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: #fff;
    padding: var(--space-4xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-banner .container {
    position: relative;
    z-index: 1;
}

.cta-banner h2 {
    color: #fff;
    margin-bottom: var(--space-md);
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

/* ---- Footer ---- */
.footer {
    background: var(--bg-dark);
    color: var(--text-inverse);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-about h3 {
    color: #fff;
    margin-bottom: var(--space-md);
}

.footer-about p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-corp-number {
    display: inline-block;
    margin-top: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-dark-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: monospace;
}

.footer-column h4 {
    color: #fff;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-lg);
}

.footer-column ul li {
    margin-bottom: var(--space-sm);
}

.footer-column ul a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-column ul a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-dark-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
}

/* ---- Page Headers (inner pages) ---- */
.page-header {
    padding-top: calc(var(--nav-height) + var(--space-3xl));
    padding-bottom: var(--space-3xl);
    background: linear-gradient(135deg, var(--bg) 0%, #e8f0fe 100%);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--space-md);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 640px;
    margin: 0 auto;
}

/* ---- Content Page ---- */
.content-page {
    padding: var(--space-3xl) 0;
}

.content-page .container {
    max-width: 800px;
}

.content-page h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--border);
}

.content-page h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.content-page p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.content-page ul,
.content-page ol {
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
}

.content-page li {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    list-style: disc;
}

.content-page ol li {
    list-style: decimal;
}

/* ---- Transparency cards ---- */
.transparency-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.transparency-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    border: 1px solid var(--border);
}

.transparency-card h3 {
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.transparency-card table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--space-md);
}

.transparency-card th,
.transparency-card td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.transparency-card th {
    font-weight: 600;
    color: var(--text);
}

.transparency-card td {
    color: var(--text-secondary);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-text {
        margin: 0 auto var(--space-2xl);
    }

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

    .hero-visual {
        display: none;
    }

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

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

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

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

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

@media (max-width: 768px) {
    :root {
        --space-4xl: 3rem;
        --space-3xl: 2.5rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        flex-direction: column;
        padding: var(--space-2xl);
        gap: var(--space-xl);
        z-index: 999;
    }

    .nav-links.open {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

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

/* ---- Animations ---- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.animate-in:nth-child(2) {
    animation-delay: 0.1s;
}

.animate-in:nth-child(3) {
    animation-delay: 0.2s;
}

.animate-in:nth-child(4) {
    animation-delay: 0.3s;
}