/* ============================================
   AIID Website — Redesigned CSS v2
   Color theme matching original (blue gradient)
   Font: Inter (matching original)
   ============================================ */

:root {
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --accent-blue: #60a5fa;
    --light-blue: #dbeafe;
    --cyan: #06b6d4;
    --teal: #14b8a6;
    --dark-gray: #1f2937;
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;
    --white: #ffffff;
    --accent: #f59e0b;
    --green: #10b981;
    --red: #ef4444;
    --gradient-primary: linear-gradient(135deg, #1e40af, #3b82f6);
    --gradient-hero: linear-gradient(135deg, #1e40af, #2563eb, #3b82f6);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}

/* ============ RESET ============ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font);
    color: var(--dark-gray);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4 {
    font-family: var(--font);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-gray);
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--primary-blue);
    background: var(--light-blue);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
    position: relative;
}

.section-title--left { text-align: left; }

.section-desc {
    font-size: 1.05rem;
    color: var(--slate-500);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    white-space: nowrap;
}

.btn--white {
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--white);
}

.btn--white:hover {
    background: var(--slate-100);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}

.btn--outline:hover {
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn--primary {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.btn--primary:hover {
    background: #1a3691;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.35);
}

.btn--full { width: 100%; justify-content: center; }

/* ============ NAVIGATION ============ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: all 0.3s var(--ease);
}

.nav--scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.nav__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

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

.nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-gray);
    padding: 8px 14px;
    border-radius: 8px;
    transition: all 0.2s var(--ease);
    position: relative;
}

.nav__link:hover,
.nav__link.active {
    color: var(--primary-blue);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s var(--ease);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 60%;
}

.nav__link--cta {
    background: var(--primary-blue) !important;
    color: var(--white) !important;
    border-radius: 50px;
    padding: 8px 20px;
    margin-left: 8px;
}

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

.nav__link--cta:hover {
    background: #1a3691 !important;
    transform: translateY(-1px);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav__toggle span {
    width: 22px;
    height: 2px;
    background: var(--dark-gray);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
}

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

.nav__toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ============ HERO ============ */
.hero {
    position: relative;
    background: var(--gradient-hero);
    padding-top: 70px;
    overflow: hidden;
}

.hero__row {
    display: flex;
    align-items: center;
    gap: 48px;
    min-height: calc(100vh - 70px - 80px);
    padding: 60px 0 40px;
}

.hero__text {
    flex: 1;
    min-width: 0;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.85);
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 8px 18px;
    border-radius: 100px;
    margin-bottom: 24px;
    animation: fadeInUp 0.7s var(--ease) both;
}

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

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 20px;
    animation: fadeInUp 0.7s var(--ease) 0.1s both;
}

.hero__title--accent {
    color: var(--accent-blue);
}

.hero__subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
    animation: fadeInUp 0.7s var(--ease) 0.2s both;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.7s var(--ease) 0.3s both;
}

.hero__image {
    flex: 0 0 auto;
    width: 480px;
    animation: fadeInUp 0.7s var(--ease) 0.2s both;
}

.hero__image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* Stats Bar - separate from hero content, no overlap */
.hero__stats-bar {
    background: rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
    padding: 28px 0;
}

.hero__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
}

.hero__stat { text-align: center; }

.hero__stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
}

.hero__stat-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.65);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============ DIVISIONS ============ */
.divisions {
    padding: 100px 0;
    background: var(--slate-50);
}

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

.division-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    border: 1px solid var(--slate-200);
    transition: all 0.3s var(--ease);
    position: relative;
    overflow: hidden;
}

.division-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s var(--ease);
}

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

.division-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(0,0,0,0.08);
    border-color: transparent;
}

.division-card__icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.division-card__tag {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--secondary-blue);
    margin-bottom: 6px;
}

.division-card__title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.division-card__desc {
    color: var(--slate-500);
    margin-bottom: 20px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.division-card__list { margin-bottom: 24px; }

.division-card__list li {
    padding: 5px 0 5px 22px;
    position: relative;
    font-size: 0.9rem;
    color: var(--slate-600);
}

.division-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-blue);
}

.division-card__link {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-blue);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s var(--ease);
}

.division-card__link:hover { gap: 14px; }

/* ============ ABOUT ============ */
.about {
    padding: 100px 0;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about__text p {
    color: var(--slate-600);
    margin-bottom: 14px;
    line-height: 1.75;
}

.about__pillars {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about__pillar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--slate-50);
    border-radius: var(--radius);
    border: 1px solid var(--slate-200);
    transition: all 0.3s var(--ease);
}

.about__pillar:hover {
    border-color: var(--accent-blue);
    background: var(--light-blue);
}

.about__pillar-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.about__pillar strong {
    display: block;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.about__pillar span {
    font-size: 0.82rem;
    color: var(--slate-500);
}

.about__visual { position: relative; }

.about__img {
    border-radius: var(--radius-xl);
    box-shadow: 0 16px 48px rgba(0,0,0,0.1);
}

.about__visual-badge {
    position: absolute;
    bottom: -16px;
    right: -8px;
    background: var(--primary-blue);
    color: var(--white);
    padding: 12px 22px;
    border-radius: 100px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.4);
}

/* ============ TEACHING ============ */
.teaching {
    padding: 100px 0;
    background: var(--slate-50);
}

.teaching__phases {
    display: flex;
    align-items: stretch;
    gap: 20px;
    margin-bottom: 56px;
}

.phase-arrow {
    display: flex;
    align-items: center;
    font-size: 1.3rem;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.phase-card {
    flex: 1;
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--slate-200);
    overflow: hidden;
    transition: all 0.3s var(--ease);
}

.phase-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0,0,0,0.06);
}

.phase-card--highlight {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.2);
}

.phase-card__header {
    padding: 24px 28px 16px;
    border-bottom: 1px solid var(--slate-100);
}

.phase-card__num {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--secondary-blue);
}

.phase-card__header h3 {
    font-size: 1.15rem;
    margin: 4px 0 6px;
}

.phase-card__duration {
    font-size: 0.82rem;
    color: var(--slate-500);
    display: flex;
    align-items: center;
    gap: 6px;
}

.phase-card__body {
    padding: 20px 28px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.phase-card__module {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.phase-card__module-icon {
    width: 36px;
    height: 36px;
    background: var(--light-blue);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    flex-shrink: 0;
    font-size: 0.85rem;
}

.phase-card__module strong {
    display: block;
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin-bottom: 2px;
}

.phase-card__module span {
    font-size: 0.82rem;
    color: var(--slate-500);
    line-height: 1.5;
}

/* AI System */
.ai-system {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: 44px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.ai-system__icon {
    width: 52px;
    height: 52px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.4rem;
    margin-bottom: 14px;
}

.ai-system__content h3 {
    color: var(--white);
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.ai-system__content p {
    color: rgba(255,255,255,0.8);
    line-height: 1.75;
    font-size: 0.95rem;
}

.ai-system__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.ai-feature {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.9);
    font-size: 0.85rem;
    transition: all 0.3s var(--ease);
}

.ai-feature i {
    color: var(--accent-blue);
    font-size: 1rem;
}

.ai-feature:hover {
    background: rgba(255,255,255,0.14);
}

/* ============ MANUFACTURING ============ */
.manufacturing {
    padding: 100px 0;
}

.mfg__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 56px;
}

.mfg-card {
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all 0.3s var(--ease);
    position: relative;
}

.mfg-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.mfg-card:hover::after { opacity: 1; }

.mfg-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.06);
    border-color: transparent;
}

.mfg-card__icon {
    width: 48px;
    height: 48px;
    background: var(--light-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.mfg-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.mfg-card p {
    font-size: 0.9rem;
    color: var(--slate-500);
    margin-bottom: 16px;
    line-height: 1.7;
}

.mfg-card__tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-blue);
    background: var(--light-blue);
    padding: 4px 12px;
    border-radius: 100px;
    display: inline-block;
}

/* Pipeline */
.pipeline {
    background: var(--slate-50);
    border-radius: var(--radius-xl);
    padding: 44px;
    border: 1px solid var(--slate-200);
}

.pipeline__title {
    text-align: center;
    font-size: 1.4rem;
    margin-bottom: 36px;
}

.pipeline__steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.pipeline__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
    flex: 1;
    max-width: 160px;
}

.pipeline__step-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.pipeline__step span {
    font-weight: 700;
    font-size: 1rem;
    color: var(--dark-gray);
}

.pipeline__step small {
    font-size: 0.78rem;
    color: var(--slate-500);
}

.pipeline__connector {
    color: var(--accent-blue);
    font-size: 1rem;
}

/* ============ PRODUCTS ============ */
.products {
    padding: 100px 0;
    background: var(--slate-900);
    color: var(--white);
}

.products .section-tag {
    background: rgba(96, 165, 250, 0.12);
    color: var(--accent-blue);
}

.products .section-title { color: var(--white); }
.products .section-desc { color: var(--slate-400); }

.products__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.product-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    transition: all 0.3s var(--ease);
}

.product-card:hover {
    border-color: rgba(96, 165, 250, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(0,0,0,0.3);
}

.product-card__img {
    width: 140px;
    min-height: 180px;
    background: linear-gradient(135deg, rgba(30,64,175,0.6), rgba(59,130,246,0.4));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.product-card__body {
    padding: 24px;
    flex: 1;
}

.product-card__cat {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-blue);
}

.product-card__body h3 {
    color: var(--white);
    font-size: 1.1rem;
    margin: 6px 0 8px;
}

.product-card__body p {
    font-size: 0.88rem;
    color: var(--slate-400);
    line-height: 1.65;
    margin-bottom: 14px;
}

.product-card__specs {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.product-card__specs span {
    font-size: 0.8rem;
    color: var(--slate-400);
    display: flex;
    align-items: center;
    gap: 5px;
}

.product-card__specs i {
    color: var(--teal);
    font-size: 0.75rem;
}

/* ============ SHOWCASE ============ */
.showcase {
    padding: 100px 0;
    background: var(--slate-50);
}

.case-study {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    align-items: start;
    margin-bottom: 56px;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 36px;
    border: 1px solid var(--slate-200);
    transition: all 0.3s var(--ease);
}

.case-study:last-of-type { margin-bottom: 56px; }

.case-study:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.case-study--reverse {
    grid-template-columns: 1fr 400px;
}

.case-study--reverse .case-study__media {
    order: 2;
}

.case-study--reverse .case-study__content {
    order: 1;
}

.case-study__media {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.case-study__img {
    border-radius: var(--radius);
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: var(--slate-100);
}

.case-study__placeholder {
    background: var(--gradient-primary);
    border-radius: var(--radius);
    padding: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--white);
    font-size: 2.5rem;
    height: 220px;
}

.case-study__placeholder span {
    font-size: 1rem;
    font-weight: 600;
}

.case-study__tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.case-study__content h3 {
    font-size: 1.35rem;
    margin-bottom: 14px;
}

.case-study__content p {
    color: var(--slate-600);
    margin-bottom: 10px;
    line-height: 1.75;
    font-size: 0.92rem;
}

.case-study__highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.case-study__highlights span {
    font-size: 0.82rem;
    color: var(--green);
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
}

/* More Projects */
.showcase__more {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.showcase__card {
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: all 0.3s var(--ease);
}

.showcase__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.06);
    border-color: transparent;
}

.showcase__card-icon {
    width: 52px;
    height: 52px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    margin: 0 auto 14px;
}

.showcase__card h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.showcase__card p {
    font-size: 0.88rem;
    color: var(--slate-500);
    line-height: 1.6;
}

/* ============ PARTNERS ============ */
.partners {
    padding: 100px 0;
}

.partners__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.partner-card {
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s var(--ease);
}

.partner-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.06);
    border-color: transparent;
}

.partner-card__icon {
    width: 56px;
    height: 56px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin: 0 auto 16px;
}

.partner-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.partner-card p {
    font-size: 0.9rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* Trust Bar */
.trust-bar {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 32px;
    background: var(--slate-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--slate-200);
}

.trust-bar__item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--slate-700);
}

.trust-bar__item i {
    color: var(--secondary-blue);
    font-size: 1rem;
}

/* ============ CONTACT ============ */
.contact {
    padding: 100px 0;
    background: var(--slate-50);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact__info p {
    color: var(--slate-600);
    margin-bottom: 28px;
    line-height: 1.75;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 28px;
}

.contact__detail {
    display: flex;
    align-items: center;
    gap: 14px;
}

.contact__detail-icon {
    width: 44px;
    height: 44px;
    background: var(--light-blue);
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1rem;
    flex-shrink: 0;
}

.contact__detail strong {
    display: block;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.contact__detail span {
    font-size: 0.88rem;
    color: var(--slate-500);
}

.contact__socials {
    display: flex;
    gap: 10px;
}

.contact__socials a {
    width: 42px;
    height: 42px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transition: all 0.3s var(--ease);
}

.contact__socials a:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--slate-200);
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.contact__form input,
.contact__form select,
.contact__form textarea {
    font-family: var(--font);
    font-size: 0.92rem;
    padding: 13px 16px;
    border: 1.5px solid var(--slate-200);
    border-radius: 10px;
    background: var(--white);
    color: var(--dark-gray);
    transition: all 0.2s var(--ease);
    outline: none;
    width: 100%;
}

.contact__form input:focus,
.contact__form select:focus,
.contact__form textarea:focus {
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.contact__form input::placeholder,
.contact__form textarea::placeholder { color: var(--slate-400); }
.contact__form select { color: var(--slate-400); cursor: pointer; }
.contact__form textarea { resize: vertical; min-height: 90px; }

/* ============ FOOTER ============ */
.footer {
    background: var(--dark-gray);
    color: var(--slate-400);
    padding: 56px 0 28px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__logo {
    height: 32px;
    margin-bottom: 14px;
    filter: none;
}

.footer__brand p {
    font-size: 0.88rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer__col h4 {
    color: var(--accent-blue);
    font-size: 0.95rem;
    margin-bottom: 14px;
    font-weight: 600;
}

.footer__col a {
    display: block;
    font-size: 0.85rem;
    padding: 3px 0;
    color: var(--slate-400);
    transition: color 0.2s var(--ease);
}

.footer__col a:hover { color: var(--accent-blue); }

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.82rem;
}

.footer__links {
    display: flex;
    gap: 20px;
}

.footer__links a {
    color: var(--slate-500);
    transition: color 0.2s var(--ease);
}

.footer__links a:hover { color: var(--accent-blue); }

/* ============ SCROLL TOP ============ */
.scroll-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 46px;
    height: 46px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.3s var(--ease);
    z-index: 999;
    box-shadow: 0 4px 16px rgba(30, 64, 175, 0.35);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.45);
}

/* ============ ANIMATIONS ============ */
[data-anim] {
    opacity: 0;
    transform: translateY(28px);
    transition: all 0.6s var(--ease);
}

[data-anim].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .mfg__grid { grid-template-columns: repeat(2, 1fr); }
    .products__grid { grid-template-columns: 1fr; }
    .ai-system { grid-template-columns: 1fr; }
    .hero__image { width: 380px; }
    .hero__title { font-size: 2.8rem; }
    .case-study { grid-template-columns: 340px 1fr; }
    .case-study--reverse { grid-template-columns: 1fr 340px; }
}

@media (max-width: 768px) {
    .nav__toggle { display: flex; }
    
    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        box-shadow: 0 12px 32px rgba(0,0,0,0.1);
        transform: translateY(-120%);
        transition: transform 0.4s var(--ease);
        z-index: 999;
    }
    
    .nav__menu.open { transform: translateY(0); }
    .nav__link { padding: 12px 16px; }
    .nav__link--cta { text-align: center; margin: 8px 0 0; }
    
    .hero__row {
        flex-direction: column;
        gap: 32px;
        text-align: center;
        min-height: auto;
        padding: 40px 0 32px;
    }
    
    .hero__title { font-size: 2.2rem; }
    .hero__subtitle { max-width: 100%; }
    .hero__actions { justify-content: center; }
    
    .hero__image {
        width: 100%;
        max-width: 400px;
    }
    
    .hero__stats { gap: 24px; flex-wrap: wrap; justify-content: center; }
    .hero__stat-divider { display: none; }
    
    .divisions__grid { grid-template-columns: 1fr; }
    .about__grid { grid-template-columns: 1fr; gap: 36px; }
    .section-title { font-size: 2rem; }
    
    .teaching__phases { flex-direction: column; }
    .phase-arrow { transform: rotate(90deg); justify-content: center; }
    
    .mfg__grid { grid-template-columns: 1fr; }
    
    .pipeline__steps { flex-direction: column; gap: 14px; }
    .pipeline__connector { transform: rotate(90deg); }
    
    .product-card { flex-direction: column; }
    .product-card__img { width: 100%; min-height: 100px; }
    
    .case-study,
    .case-study--reverse {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 24px;
    }
    
    .case-study--reverse .case-study__media { order: 0; }
    .case-study--reverse .case-study__content { order: 0; }
    
    .case-study__img { height: 200px; }
    .case-study__placeholder { height: 180px; }
    
    .showcase__more { grid-template-columns: 1fr; }
    .partners__grid { grid-template-columns: 1fr; }
    
    .trust-bar { flex-direction: column; gap: 14px; align-items: center; }
    
    .contact__grid { grid-template-columns: 1fr; gap: 36px; }
    .form-row { grid-template-columns: 1fr; }
    
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
    .hero__title { font-size: 1.85rem; }
    .hero__actions { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
    .section-title { font-size: 1.7rem; }
    .footer__grid { grid-template-columns: 1fr; }
    .hero__stats { flex-direction: column; gap: 16px; }
}