/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary-blue: #2563EB;
    --primary-blue-dark: #1E40AF;
    --primary-blue-deeper: #1a2b4a;
    --dark-navy: #0F172A;
    --dark-navy-lighter: #1E293B;
    --card-blue: #3B82F6;
    --card-blue-dark: #2563EB;
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    --text-dark: #1E293B;
    --text-gray: #475569;
    --text-light: #64748B;
    --text-lighter: #94A3B8;
    --border-light: #E2E8F0;
    --accent-gold: #D4A843;

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 100px 0;
    --section-padding-mobile: 60px 0;

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

em {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--primary-blue);
}

strong {
    font-weight: 700;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-blue);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
}

.btn-white {
    background: #fff;
    color: var(--dark-navy);
}

.btn-white:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border: 1.5px solid var(--border-light);
}

.btn-outline:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-primary-sm {
    background: var(--primary-blue);
    color: #fff;
    padding: 10px 24px;
    font-size: 13px;
    border-radius: 50px;
}

.btn-primary-sm:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

/* ===== Section Utilities ===== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-label,
.section-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.7;
}

.section-header-light .section-label-light {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    margin-bottom: 16px;
}

.section-title-light {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.2;
    color: #fff;
    margin-bottom: 16px;
}

.section-title-light em {
    color: #93C5FD;
}

.section-desc-light {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    padding: 10px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none;
}

.logo-img {
    height: 38px;
    width: auto;
    display: none;
}

.logo-img-dark {
    display: block;
}

.navbar.scrolled .logo-img-dark {
    display: none;
}

.navbar.scrolled .logo-img-light {
    display: block;
}

.logo-text-wrap {
    display: none;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    transition: var(--transition);
}

.logo-sub {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.navbar.scrolled .logo-text {
    color: var(--text-dark);
}

.navbar.scrolled .logo-sub {
    color: var(--text-light);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    padding: 8px 14px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .nav-link {
    color: var(--text-gray);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--primary-blue);
    background: rgba(37, 99, 235, 0.06);
}

.nav-cta {
    flex-shrink: 0;
}

.navbar.scrolled .nav-cta {
    background: var(--primary-blue);
    color: #fff;
    border-color: var(--primary-blue);
}

.navbar.scrolled .nav-cta:hover {
    background: var(--primary-blue-dark);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

.navbar.scrolled .mobile-toggle span {
    background: var(--text-dark);
}

.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);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('../images/hero-bg.jpg') center center / cover no-repeat;
    color: #fff;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.7) 50%, rgba(15, 23, 42, 0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 820px;
    padding: 120px 24px 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    background: rgba(255, 255, 255, 0.05);
}

.hero-badge i {
    color: var(--accent-gold);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(32px, 5.5vw, 60px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    color: #fff;
}

.hero-title em {
    color: #93C5FD;
}

.hero-desc {
    font-size: clamp(15px, 1.8vw, 17px);
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.hero-services {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.04em;
    margin-bottom: 36px;
}

.hero-services .dot {
    color: rgba(255, 255, 255, 0.3);
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, rgba(255,255,255,0.5), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(0.6); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ===== About Section ===== */
.about {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.about-title {
    font-family: var(--font-serif);
    font-size: clamp(26px, 3.5vw, 40px);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.about-text {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-highlight {
    font-size: 15px;
    color: var(--text-gray);
    margin-top: 24px;
    padding: 20px 24px;
    background: #fff;
    border-radius: 12px;
    border-left: 4px solid var(--primary-blue);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.about-highlight strong {
    color: var(--primary-blue);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 22px;
    color: var(--primary-blue);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

/* ===== Portfolios Section ===== */
.portfolios {
    padding: var(--section-padding);
    background: var(--bg-white);
}

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

.portfolio-card {
    background: linear-gradient(135deg, #1E40AF 0%, #1E3A8A 100%);
    border-radius: 24px;
    overflow: hidden;
    color: #fff;
    display: grid;
    grid-template-columns: auto 1fr;
    min-height: 340px;
    transition: var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(30, 64, 175, 0.3);
}

.portfolio-card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.portfolio-number {
    font-family: var(--font-serif);
    font-size: 72px;
    font-weight: 800;
    line-height: 1;
    color: rgba(255, 255, 255, 0.1);
    position: absolute;
}

.portfolio-tag {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    position: relative;
    z-index: 1;
}

.portfolio-card-body {
    padding: 40px;
    display: flex;
    flex-direction: column;
}

.portfolio-card-title {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.portfolio-card-subtitle {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.03em;
    margin-bottom: 16px;
}

.portfolio-card-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 20px;
}

.portfolio-services-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 28px;
    flex-grow: 1;
}

.portfolio-services-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.portfolio-services-list li i {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 3px;
}

/* ===== Learning Solutions Section ===== */
.learning {
    padding: var(--section-padding);
    background: var(--bg-light);
}

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

.learning-card {
    background: #fff;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.learning-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.08);
}

.learning-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(37, 99, 235, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.learning-card-icon i {
    font-size: 24px;
    color: var(--primary-blue);
}

.learning-card-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.learning-card-badges {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.accreditation-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
    background: rgba(34, 197, 94, 0.08);
    color: #16A34A;
}

.accreditation-badge i {
    font-size: 12px;
}

.learning-card h3 {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.learning-card > p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.learning-features {
    margin-bottom: 24px;
    flex-grow: 1;
}

.learning-features li {
    position: relative;
    padding-left: 20px;
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 8px;
    line-height: 1.5;
}

.learning-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-blue);
    opacity: 0.4;
}

/* ===== Sourcing Services Section ===== */
.sourcing {
    padding: var(--section-padding);
    background: var(--dark-navy);
    color: #fff;
}

.sourcing-pillar {
    margin-bottom: 48px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}

.sourcing-pillar:last-child {
    margin-bottom: 0;
}

.pillar-header {
    padding: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pillar-number {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 16px;
}

.pillar-header h3 {
    font-family: var(--font-serif);
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.pillar-header p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    max-width: 700px;
    margin-bottom: 24px;
}

.pillar-authorized {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 12px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    font-size: 13px;
    font-weight: 500;
    color: #4ADE80;
    margin-bottom: 24px;
}

.pillar-authorized i {
    font-size: 18px;
}

.pillar-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.pillar-feature-card {
    padding: 36px 28px;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.pillar-feature-card:last-child {
    border-right: none;
}

.pillar-feature-card:hover {
    background: rgba(255, 255, 255, 0.03);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-icon i {
    font-size: 20px;
    color: #60A5FA;
}

.pillar-feature-card h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.pillar-feature-card p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: #fff;
    text-align: center;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-serif);
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-section .btn-primary {
    background: #fff;
    color: var(--primary-blue-dark);
}

.cta-section .btn-primary:hover {
    background: #f1f5f9;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-outline {
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.cta-section .btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-navy);
    color: #fff;
    padding: 60px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    max-width: 320px;
}

.footer-tagline strong {
    color: rgba(255, 255, 255, 0.8);
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.contact-item a {
    color: rgba(255, 255, 255, 0.5);
}

.contact-item a:hover {
    color: #fff;
}

.contact-item i {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom-links a:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .pillar-feature-card:nth-child(2) {
        border-right: none;
    }

    .pillar-feature-card:nth-child(1),
    .pillar-feature-card:nth-child(2) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .portfolio-card {
        grid-template-columns: 1fr;
    }

    .portfolio-card-header {
        flex-direction: row;
        padding: 20px 32px;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        gap: 12px;
    }

    .portfolio-number {
        position: relative;
        font-size: 28px;
        color: rgba(255, 255, 255, 0.15);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--dark-navy);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 32px;
        gap: 4px;
        transition: right 0.35s ease;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-link {
        color: rgba(255, 255, 255, 0.7);
        width: 100%;
        padding: 12px 16px;
        border-radius: 10px;
    }

    .nav-link:hover,
    .nav-link.active {
        color: #fff;
        background: rgba(255, 255, 255, 0.08);
    }

    .nav-cta {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-toggle.active span {
        background: #fff;
    }

    .hero-content {
        padding: 140px 20px 60px;
    }

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .portfolio-services-list {
        grid-template-columns: 1fr;
    }

    .portfolio-card-body {
        padding: 28px;
    }

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

    .pillar-header {
        padding: 32px 24px;
    }

    .pillar-features {
        grid-template-columns: 1fr;
    }

    .pillar-feature-card {
        border-right: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        padding: 28px 24px;
    }

    .pillar-feature-card:last-child {
        border-bottom: none;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-badge {
        font-size: 10px;
        padding: 6px 14px;
    }

    .hero-services {
        font-size: 11px;
    }

    .about-stats {
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

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

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

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Smart Security Section ===== */
.security {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.security-intro {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.security-intro-text h3 {
    font-family: var(--font-serif);
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.security-intro-text p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.security-intro-text .btn {
    margin-top: 8px;
}

.security-visual-card {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--dark-navy-lighter) 100%);
    border-radius: 24px;
    padding: 40px;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.security-visual-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-visual-icon i {
    font-size: 36px;
    color: #60A5FA;
}

.security-visual-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
}

.sv-stat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
}

.sv-stat-number {
    font-size: 15px;
    font-weight: 700;
    color: #60A5FA;
}

.sv-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.security-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.security-feature-card {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 32px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.security-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.08);
    border-color: rgba(37, 99, 235, 0.1);
}

.sf-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(37, 99, 235, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.sf-icon i {
    font-size: 22px;
    color: var(--primary-blue);
}

.security-feature-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.security-feature-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

.security-cta {
    text-align: center;
    padding: 48px 40px;
    background: var(--bg-light);
    border-radius: 24px;
}

.security-cta h3 {
    font-family: var(--font-serif);
    font-size: clamp(20px, 2.5vw, 26px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.security-cta p {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 28px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .security-intro {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .security-features {
        grid-template-columns: 1fr;
    }

    .security-cta {
        padding: 36px 24px;
    }

    .security-visual-card {
        padding: 32px 24px;
    }
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--text-lighter);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}