/*
Theme Name: VNiDT Theme
Theme URI: https://vnidt.vn
Author: VNiDT
Author URI: https://vnidt.vn
Description: Custom WordPress theme cho website CTCP Đổi mới Sáng tạo và Chuyển đổi số VN. Giao diện premium với GIS, WebGIS và chuyển đổi số.
Version: 1.0.0
License: Private
Text Domain: vnidt
Tags: custom-logo, custom-menu, one-page, corporate, dark
*/

/* ============================================================
   VNiDT — Premium Corporate Website
   Design System & Component Styles
   Version: 1.0.0
   ============================================================ */

/* ---------- 0. Font Import ---------- */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ---------- 1. Custom Properties (Design Tokens) ---------- */
:root {
  /* Primary Palette */
  --color-primary: #4390C8;
  --color-primary-rgb: 67, 144, 200;
  --color-secondary: #670E7A;
  --color-secondary-rgb: 103, 14, 122;
  --color-accent: #59BFC4;
  --color-accent-rgb: 89, 191, 196;

  /* Background Hierarchy (darkest → lightest) */
  --bg-base: #0B1220;
  --bg-surface: #10192D;
  --bg-elevated: #15223A;
  --bg-card: #1B2B48;
  --bg-hover: #213559;

  /* Text Hierarchy */
  --text-primary: #FFFFF0;
  --text-secondary: #BCBCD0;
  --text-muted: #7E7E9A;
  --text-subtle: #50506A;

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

  /* Typography */
  --font-primary: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --fs-hero: clamp(2.6rem, 5.5vw, 4.8rem);
  --fs-h1: clamp(2rem, 4vw, 3.2rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.4rem);
  --fs-h3: clamp(1.15rem, 2vw, 1.45rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  /* Spacing Scale */
  --sp-1: 0.25rem; --sp-2: 0.5rem; --sp-3: 0.75rem; --sp-4: 1rem;
  --sp-5: 1.25rem; --sp-6: 1.5rem; --sp-8: 2rem; --sp-10: 2.5rem;
  --sp-12: 3rem; --sp-16: 4rem; --sp-20: 5rem; --sp-24: 6rem;
  --sp-32: 8rem;

  /* Layout */
  --container: 1280px;
  --container-narrow: 900px;
  --gutter: 1.5rem;
  --nav-h: 72px;

  /* Radius */
  --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 24px; --r-full: 999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,.35);
  --shadow-md: 0 4px 20px rgba(0,0,0,.45);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.55);
  --shadow-glow: 0 0 40px rgba(var(--color-accent-rgb),.2);

  /* Glass */
  --glass-bg: rgba(255,255,240,.025);
  --glass-border: rgba(255,255,240,.07);
  --glass-blur: 24px;

  /* Transitions */
  --ease-out: cubic-bezier(.25,.46,.45,.94);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --t-fast: 180ms; --t-base: 350ms; --t-slow: 600ms;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: 1.75;
  color: var(--text-secondary);
  background: var(--bg-base);
  overflow-x: hidden;
}

img { max-width:100%; height:auto; display:block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

::selection {
  background: rgba(var(--color-accent-rgb),.4);
  color: var(--text-primary);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ---------- 3. Typography ---------- */
h1,h2,h3,h4,h5,h6 {
  color: var(--text-primary);
  font-weight: var(--fw-bold);
  line-height: 1.2;
}

.section-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-accent);
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.section-label::before {
  content: '';
  width: 32px; height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.section-title {
  font-size: var(--fs-h1);
  margin-bottom: var(--sp-6);
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 700px;
  line-height: 1.8;
}

.highlight { color: var(--text-primary); }
.accent-text { color: var(--color-accent); }
.gradient-text {
  background: linear-gradient(135deg, #670E7A 0%, #9E3589 35%, #4390C8 70%, #59BFC4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- 4. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  position: relative;
  padding: var(--sp-24) 0;
}

.section--surface { background: var(--bg-surface); }
.section--base { background: var(--bg-base); }

.grid {
  display: grid;
  gap: var(--sp-8);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

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

/* ---------- 5. Navigation ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              backdrop-filter var(--t-base) var(--ease-out);
}

.navbar.scrolled {
  background: rgba(6,6,15,.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,240,.06);
}

.navbar__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-size: 1.5rem;
  font-weight: var(--fw-extrabold);
  color: var(--text-primary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.navbar__logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--color-accent), #FFFFFF);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar__logo-icon svg { width: 20px; height: 20px; }

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.navbar__link {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background var(--t-fast);
  position: relative;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--text-primary);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.navbar__cta {
  margin-left: var(--sp-4);
}

/* Mobile Menu */
.navbar__toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  z-index: 1001;
}

.navbar__toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-fast);
}

.navbar__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.open span:nth-child(2) { opacity: 0; }
.navbar__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6,6,15,.96);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-6);
  opacity: 0;
  transition: opacity var(--t-base);
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
}

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  transition: color var(--t-fast);
}

.mobile-menu a:hover { color: var(--text-primary); }

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 14px 32px;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  border-radius: var(--r-full);
  transition: all var(--t-base) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--text-primary);
  color: var(--bg-base);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--color-primary-rgb),.18);
}

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

.btn--secondary:hover {
  background: rgba(var(--color-primary-rgb),.06);
  border-color: rgba(var(--color-primary-rgb),.2);
  transform: translateY(-2px);
}

.btn--accent {
  background: #4390C8;
  color: #FFFFFF;
}

.btn--accent:hover {
  background: #59BFC4;
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(89, 191, 196, 0.4);
}

.btn--lg {
  padding: 18px 40px;
  font-size: var(--fs-body);
}

.btn__arrow {
  transition: transform var(--t-fast);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* ---------- 7. Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
  background: linear-gradient(135deg, #0B1220 0%, #670E7A 25%, #4390C8 70%, #59BFC4 100%);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(var(--color-accent-rgb),.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--color-accent-rgb),.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}

.hero__gradient {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .12;
  z-index: 0;
}

.hero__gradient--1 {
  top: -100px; right: -100px;
  background: var(--color-accent);
}

.hero__gradient--2 {
  bottom: -200px; left: -100px;
  background: #2563eb;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-5);
  background: rgba(var(--color-accent-rgb),.1);
  border: 1px solid rgba(var(--color-accent-rgb),.2);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-accent);
  margin-bottom: var(--sp-8);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero__label .pulse {
  width: 8px; height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--color-accent);
  animation: pulse 2s infinite;
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: var(--fw-extrabold);
  line-height: 1.08;
  margin-bottom: var(--sp-8);
  letter-spacing: -1px;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--text-secondary);
  margin-bottom: var(--sp-10);
  max-width: 800px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-bottom: var(--sp-16);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: float 3s ease-in-out infinite;
}

.hero__scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
}

/* ---------- 8. Glass Cards ---------- */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: transform var(--t-base) var(--ease-out),
              border-color var(--t-base),
              box-shadow var(--t-base);
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--color-accent-rgb),.25);
  box-shadow: var(--shadow-glow);
}

.glass-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--r-md);
  background: rgba(var(--color-accent-rgb),.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-6);
  color: var(--color-accent);
  transition: background var(--t-base);
}

.glass-card:hover .glass-card__icon {
  background: rgba(var(--color-accent-rgb),.2);
}

.glass-card__icon svg { width: 26px; height: 26px; }

.glass-card__title {
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-3);
}

.glass-card__text {
  color: var(--text-muted);
  font-size: var(--fs-small);
  line-height: 1.8;
}

/* ---------- 9. Introduction Section ---------- */
.intro { background: var(--bg-surface); }

.intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.intro__text p {
  margin-bottom: var(--sp-6);
}

.intro__visual {
  position: relative;
}

.intro__image-wrap {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  position: relative;
}

.intro__image-wrap img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.intro__image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-surface), transparent 50%);
  pointer-events: none;
}

.intro__float-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  padding: var(--sp-6);
  background: rgba(var(--color-accent-rgb),.12);
  border: 1px solid rgba(var(--color-accent-rgb),.2);
  border-radius: var(--r-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.intro__float-card .stat-number {
  font-size: 2rem;
  font-weight: var(--fw-extrabold);
  color: var(--text-primary);
}

.intro__float-card .stat-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

/* ---------- 10. Values Section ---------- */
.values { background: var(--bg-base); }

.values__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-12);
}

/* ---------- 11. Stats Band ---------- */
.stats {
  padding: var(--sp-16) 0;
  background: linear-gradient(135deg, 
    rgba(var(--color-accent-rgb),.06), 
    rgba(37,99,235,.06));
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-8);
  text-align: center;
}

.stat-item {
  padding: var(--sp-6);
}

.stat-item__number {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: var(--fw-extrabold);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.stat-item__number .suffix {
  font-size: 0.5em;
  color: var(--color-accent);
  font-weight: var(--fw-bold);
}

.stat-item__label {
  font-size: var(--fs-small);
  color: var(--text-muted);
}

.stat-item__divider {
  width: 24px; height: 2px;
  background: var(--color-accent);
  margin: var(--sp-3) auto;
  border-radius: 1px;
  opacity: .5;
}

/* ---------- 12. About Section ---------- */
.about { background: var(--bg-surface); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.about__text p {
  margin-bottom: var(--sp-6);
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-top: var(--sp-8);
}

.about__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-5);
  border-radius: var(--r-md);
  transition: background var(--t-base);
}

.about__feature:hover {
  background: rgba(var(--color-primary-rgb),.03);
}

.about__feature-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  background: rgba(var(--color-accent-rgb),.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.about__feature-icon svg { width: 20px; height: 20px; }

.about__feature h4 {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  margin-bottom: 2px;
}

.about__feature p {
  font-size: var(--fs-small);
  color: var(--text-muted);
  margin-bottom: 0;
}

.about__visual {
  position: relative;
}

.about__visual-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.about__quote {
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  font-style: italic;
  line-height: 1.6;
  border-left: 3px solid var(--color-accent);
  padding-left: var(--sp-6);
}

/* ---------- 13. Solutions Section ---------- */
.solutions { background: var(--bg-base); }

.solutions__pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
  margin: var(--sp-12) 0;
}

.pillar-card {
  background: linear-gradient(135deg, var(--glass-bg), rgba(var(--color-accent-rgb),.04));
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--sp-10);
  transition: transform var(--t-base), border-color var(--t-base);
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--color-accent-rgb),.3);
}

.pillar-card__num {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  letter-spacing: 2px;
  margin-bottom: var(--sp-4);
}

.pillar-card__title {
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-4);
}

.pillar-card__text {
  color: var(--text-muted);
  font-size: var(--fs-small);
}

/* Product Cards */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-8);
  margin-top: var(--sp-12);
}

.product-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-base) var(--ease-out),
              border-color var(--t-base),
              box-shadow var(--t-base);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(var(--color-accent-rgb),.3);
  box-shadow: var(--shadow-glow);
}

.product-card__image {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,15,.8) 0%, transparent 60%);
  pointer-events: none;
}

.product-card__body {
  padding: var(--sp-8);
}

.product-card__tag {
  display: inline-flex;
  padding: 4px 12px;
  background: rgba(var(--color-accent-rgb),.1);
  border: 1px solid rgba(var(--color-accent-rgb),.2);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: #a78bfa;
  margin-bottom: var(--sp-4);
}

.product-card__title {
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-3);
}

.product-card__text {
  color: var(--text-muted);
  font-size: var(--fs-small);
  line-height: 1.8;
  margin-bottom: var(--sp-6);
}

.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  transition: gap var(--t-fast), color var(--t-fast);
}

.product-card__link:hover {
  color: var(--color-accent);
  gap: var(--sp-3);
}

/* ---------- 14. Projects Section ---------- */
.projects { background: var(--bg-surface); }

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-12);
}

.project-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.project-card:hover img {
  transform: scale(1.06);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,15,.92) 0%, rgba(6,6,15,.3) 50%, transparent);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: background var(--t-base);
}

.project-card:hover .project-card__overlay {
  background: linear-gradient(to top, rgba(6,6,15,.95) 0%, rgba(6,6,15,.5) 60%, rgba(6,6,15,.2));
}

.project-card__tag {
  display: inline-flex;
  padding: 4px 10px;
  background: rgba(var(--color-accent-rgb),.15);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: #a78bfa;
  margin-bottom: var(--sp-3);
  width: fit-content;
}

.project-card__title {
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-2);
}

.project-card__desc {
  font-size: var(--fs-small);
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 15. News Section ---------- */
.news { background: var(--bg-base); }

.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-12);
}

.news-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-base), border-color var(--t-base);
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--color-accent-rgb),.2);
}

.news-card__image {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-card__image svg {
  width: 48px; height: 48px;
  color: var(--text-subtle);
}

.news-card__body {
  padding: var(--sp-6);
}

.news-card__date {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.news-card__title {
  font-size: 1.05rem;
  font-weight: var(--fw-semibold);
  margin-bottom: var(--sp-3);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__excerpt {
  font-size: var(--fs-small);
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 16. CTA Band ---------- */
.cta-band {
  padding: var(--sp-20) 0;
  background: linear-gradient(135deg, 
    rgba(var(--color-accent-rgb),.08), 
    rgba(37,99,235,.06));
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band__title {
  font-size: var(--fs-h2);
  margin-bottom: var(--sp-4);
}

.cta-band__text {
  max-width: 550px;
  margin: 0 auto var(--sp-10);
  color: var(--text-secondary);
}

.cta-band__glow {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .06;
  pointer-events: none;
}

.cta-band__glow--1 { top: -200px; left: -100px; background: var(--color-accent); }
.cta-band__glow--2 { bottom: -200px; right: -100px; background: #2563eb; }

/* ---------- 17. Contact Section ---------- */
.contact { background: var(--bg-surface); }

.contact__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--sp-12);
  margin-top: var(--sp-12);
}

.contact__form-wrap {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--sp-10);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  margin-bottom: var(--sp-5);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form__group--full {
  grid-column: 1 / -1;
}

.form__label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
}

.form__input,
.form__textarea,
.form__select {
  background: rgba(var(--color-primary-rgb),.03);
  border: 1px solid rgba(var(--color-primary-rgb),.08);
  border-radius: var(--r-md);
  padding: 14px 18px;
  color: var(--text-primary);
  font-size: var(--fs-body);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--text-subtle);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb),.12);
}

.form__textarea {
  resize: vertical;
  min-height: 130px;
}

.form__select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237E7E9A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}

.form__submit {
  margin-top: var(--sp-6);
  width: 100%;
}

.form__note {
  margin-top: var(--sp-4);
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

/* Contact Info Cards */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.contact-info-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  transition: border-color var(--t-base);
}

.contact-info-card:hover {
  border-color: rgba(var(--color-accent-rgb),.25);
}

.contact-info-card__icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  background: rgba(var(--color-accent-rgb),.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.contact-info-card__icon svg { width: 22px; height: 22px; }

.contact-info-card h4 {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: var(--fs-small);
  color: var(--text-muted);
}

.contact__map {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  height: 200px;
  background: var(--bg-elevated);
}

.contact__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: invert(90%) hue-rotate(180deg) brightness(0.8) contrast(1.2);
}

/* ---------- 18. Footer ---------- */
.footer {
  background: var(--bg-base);
  border-top: 1px solid var(--glass-border);
  padding: var(--sp-16) 0 var(--sp-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-12);
}

.footer__brand-text {
  color: var(--text-muted);
  font-size: var(--fs-small);
  margin-top: var(--sp-4);
  line-height: 1.8;
}

.footer__heading {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--sp-5);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__links a {
  font-size: var(--fs-small);
  color: var(--text-muted);
  transition: color var(--t-fast);
}

.footer__links a:hover { color: var(--text-primary); }

.footer__bottom {
  padding-top: var(--sp-8);
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copyright {
  font-size: var(--fs-xs);
  color: var(--text-subtle);
}

.footer__socials {
  display: flex;
  gap: var(--sp-3);
}

.footer__social {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.footer__social:hover {
  color: var(--text-primary);
  border-color: rgba(var(--color-primary-rgb),.2);
  background: rgba(var(--color-primary-rgb),.05);
}

.footer__social svg { width: 16px; height: 16px; }

/* ---------- 19. Animations & Keyframes ---------- */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.8); }
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes heroReveal {
  from { opacity: 0; transform: translateY(30px); filter: blur(4px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* Scroll-triggered animation classes */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

.reveal--left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

.reveal--right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

.reveal--scale {
  opacity: 0;
  transform: scale(.92);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

.reveal.visible,
.reveal--left.visible,
.reveal--right.visible,
.reveal--scale.visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Stagger children */
.stagger > * { transition-delay: calc(var(--i, 0) * 100ms); }

/* Hero animations */
.hero__label { animation: heroReveal .8s var(--ease-out) .2s both; }
.hero__title { animation: heroReveal .8s var(--ease-out) .4s both; }
.hero__subtitle { animation: heroReveal .8s var(--ease-out) .6s both; }
.hero__actions { animation: heroReveal .8s var(--ease-out) .8s both; }

/* ---------- 20. Responsive - Tablet ---------- */
@media (max-width: 1024px) {
  .values__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .intro__grid { grid-template-columns: 1fr; gap: var(--sp-10); }
  .about__grid { grid-template-columns: 1fr; gap: var(--sp-10); }
  .solutions__pillars { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 21. Responsive - Mobile ---------- */
@media (max-width: 768px) {
  :root {
    --nav-h: 64px;
    --gutter: 1.25rem;
  }

  section { padding: var(--sp-16) 0; }

  .navbar__links { display: none; }
  .navbar__cta { display: none; }
  .navbar__toggle { display: flex; }

  .hero { min-height: 100svh; }

  .hero__title { letter-spacing: -0.5px; }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    justify-content: center;
  }

  .hero__scroll { display: none; }

  .values__grid { grid-template-columns: 1fr; gap: var(--sp-4); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
  .products-grid { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr; }
  .news__grid { grid-template-columns: 1fr; }

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

  .footer__grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .footer__bottom { flex-direction: column; gap: var(--sp-4); text-align: center; }

  .intro__float-card { position: static; margin-top: var(--sp-4); }

  .about__visual { order: -1; }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: var(--sp-4); }
}

/* ---------- 22. Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal, .reveal--left, .reveal--right, .reveal--scale {
    opacity: 1;
    transform: none;
  }
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}