/* ============================================================
   PCAL - Professional Calibration & Services Co.,Ltd
   Main Stylesheet | Dark Navy + Gold Premium Theme
   ============================================================ */

/* Google Fonts - Kanit (Thai + English) */
@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700;800&display=swap');

/* ============================================================
   CSS Variables - Design System
   ============================================================ */
:root {
  --color-bg:          #050d1a;
  --color-bg-card:     rgba(10, 22, 40, 0.85);
  --color-navy:        #0a1628;
  --color-navy-light:  #122040;
  --color-blue:        #1e4db7;
  --color-blue-light:  #2563eb;
  --color-gold:        #c9a84c;
  --color-gold-light:  #e8c96e;
  --color-gold-dark:   #a07830;
  --color-white:       #ffffff;
  --color-gray-100:    #f0f4f8;
  --color-gray-200:    #d1dce8;
  --color-gray-400:    #8a9bb5;
  --color-gray-600:    #4a5d78;
  --color-text:        #cdd8e8;
  --color-text-dim:    #7a8fa8;

  --border-glass:      1px solid rgba(201, 168, 76, 0.2);
  --shadow-card:       0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-gold:       0 0 30px rgba(201, 168, 76, 0.3);
  --shadow-blue:       0 0 30px rgba(30, 77, 183, 0.3);

  --radius-sm:         8px;
  --radius-md:         16px;
  --radius-lg:         24px;
  --radius-xl:         40px;

  --font-main:         'Kanit', sans-serif;
  --transition:        all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

/* ============================================================
   Utility Classes
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-alt {
  background: rgba(10, 22, 40, 0.6);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.15), rgba(201, 168, 76, 0.05));
  border: 1px solid rgba(201, 168, 76, 0.3);
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-title span {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-dim);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: var(--color-navy);
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.6);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-3px);
}

.glass-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: var(--transition);
}

.glass-card:hover {
  border-color: rgba(201, 168, 76, 0.5);
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}

/* ============================================================
   Background Glow Orbs
   ============================================================ */
.bg-orbs {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.06;
}

.orb-1 {
  width: 600px; height: 600px;
  background: var(--color-blue);
  top: -150px; left: -150px;
  animation: floatOrb 20s infinite alternate ease-in-out;
}

.orb-2 {
  width: 500px; height: 500px;
  background: var(--color-gold);
  bottom: -100px; right: -100px;
  animation: floatOrb 25s infinite alternate-reverse ease-in-out;
}

.orb-3 {
  width: 350px; height: 350px;
  background: var(--color-blue-light);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: floatOrb 30s infinite ease-in-out;
}

@keyframes floatOrb {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(80px, 60px) scale(1.15); }
}

/* ============================================================
   Navigation
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(5, 13, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-logo img {
  height: 46px;
  width: auto;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo-name {
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
  line-height: 1;
}

.nav-logo-sub {
  font-size: 0.62rem;
  color: var(--color-text-dim);
  font-weight: 400;
  letter-spacing: 0.5px;
  line-height: 1;
  margin-top: 3px;
}

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

.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
  transition: var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 60%;
}

.nav-cta {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark)) !important;
  color: var(--color-navy) !important;
  padding: 10px 22px !important;
  border-radius: 50px !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 15px rgba(201, 168, 76, 0.35);
}

.nav-cta:hover {
  box-shadow: 0 8px 25px rgba(201, 168, 76, 0.55) !important;
  transform: translateY(-2px);
}

.nav-cta::after {
  display: none !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 1001;
}

.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   Hero Section
   ============================================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-bg.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(5, 13, 26, 0.93) 0%,
    rgba(10, 22, 40, 0.87) 40%,
    rgba(5, 13, 26, 0.75) 100%
  );
  z-index: 1;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 168, 76, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 168, 76, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.35);
  color: var(--color-gold-light);
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease both;
}

.hero-badge-dot {
  width: 8px; height: 8px;
  background: var(--color-gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 12px;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-title-gradient {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 50%, #f0d890 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text);
  font-weight: 300;
  margin-bottom: 36px;
  max-width: 580px;
  line-height: 1.8;
  animation: fadeInUp 0.8s 0.35s ease both;
}

.hero-certifications {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
  animation: fadeInUp 0.8s 0.5s ease both;
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-gray-200);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 500;
}

.cert-badge .cert-icon {
  color: var(--color-gold);
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeInUp 0.8s 0.65s ease both;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-dim);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeIn 1s 1.2s ease both;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollAnim 2s infinite;
}

@keyframes scrollAnim {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ============================================================
   Stats Section
   ============================================================ */
#stats {
  padding: 60px 0;
  background: linear-gradient(135deg, rgba(10, 22, 40, 0.98), rgba(5, 13, 26, 0.98));
  border-top: 1px solid rgba(201, 168, 76, 0.1);
  border-bottom: 1px solid rgba(201, 168, 76, 0.1);
  position: relative;
  z-index: 1;
}

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

.stat-item {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(201, 168, 76, 0.35), transparent);
}

.stat-number {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--color-text-dim);
  font-weight: 400;
}

/* ============================================================
   Services Section
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-blue-light), var(--color-gold));
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-12px);
  border-color: rgba(201, 168, 76, 0.45);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-wrap {
  width: 80px; height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.15), rgba(30, 77, 183, 0.1));
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: var(--transition);
}

.service-card:hover .service-icon-wrap {
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.25), rgba(30, 77, 183, 0.2));
  transform: rotate(-5deg) scale(1.08);
}

.service-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 24px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-gold);
  font-size: 0.88rem;
  font-weight: 600;
}

.service-link:hover {
  gap: 14px;
}

/* ============================================================
   Calibration Details
   ============================================================ */
.cal-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.cal-image-wrap {
  position: relative;
}

.cal-image-wrap img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(201, 168, 76, 0.2);
}

.cal-image-badge {
  position: absolute;
  bottom: 24px; right: 24px;
  background: rgba(5, 13, 26, 0.92);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(201, 168, 76, 0.35);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-align: center;
}

.cal-image-badge-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-gold);
  line-height: 1;
}

.cal-image-badge-text {
  font-size: 0.72rem;
  color: var(--color-text-dim);
  margin-top: 6px;
  font-weight: 300;
}

.cal-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.cal-info > p {
  color: var(--color-text-dim);
  font-weight: 300;
  margin-bottom: 28px;
  line-height: 1.8;
}

.cal-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.cal-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(10, 22, 40, 0.7);
  border: 1px solid rgba(201, 168, 76, 0.12);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.cal-feature:hover {
  border-color: rgba(201, 168, 76, 0.3);
  background: rgba(201, 168, 76, 0.05);
}

.cal-feature-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.2), rgba(30, 77, 183, 0.1));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.cal-feature-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 4px;
}

.cal-feature-desc {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  font-weight: 300;
  line-height: 1.6;
}

/* ============================================================
   Products Section
   ============================================================ */
.products-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  background: transparent;
  border: 1.5px solid rgba(201, 168, 76, 0.25);
  border-radius: 50px;
  color: var(--color-text-dim);
  font-family: var(--font-main);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.tab-btn:hover,
.tab-btn.active {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  border-color: transparent;
  color: var(--color-navy);
}

.products-panel {
  display: none;
}

.products-panel.active {
  display: block;
}

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

.product-card {
  background: rgba(10, 22, 40, 0.8);
  border: 1px solid rgba(201, 168, 76, 0.15);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 168, 76, 0.4);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.product-card-img {
  height: 140px;
  background: linear-gradient(135deg, rgba(10, 22, 40, 0.9), rgba(30, 77, 183, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border-bottom: 1px solid rgba(201, 168, 76, 0.1);
}

.product-card-body {
  padding: 22px;
}

.product-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.product-card-desc {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  font-weight: 300;
  line-height: 1.7;
}

/* ============================================================
   Training Section
   ============================================================ */
.training-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.training-card {
  background: rgba(10, 22, 40, 0.7);
  border: 1px solid rgba(201, 168, 76, 0.15);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  gap: 22px;
  align-items: flex-start;
  transition: var(--transition);
}

.training-card:hover {
  border-color: rgba(201, 168, 76, 0.4);
  transform: translateX(6px);
  background: rgba(201, 168, 76, 0.04);
}

.training-num {
  width: 50px; height: 50px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: var(--color-navy);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.training-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
  line-height: 1.4;
}

.training-info p {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  font-weight: 300;
  line-height: 1.7;
}

/* ============================================================
   About Section
   ============================================================ */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text .lead {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--color-text-dim);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 32px;
}

.about-milestones {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.milestone {
  display: flex;
  align-items: center;
  gap: 20px;
}

.milestone-year {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-gold);
  width: 80px;
  flex-shrink: 0;
  line-height: 1;
}

.milestone-line {
  width: 2px; height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  flex-shrink: 0;
}

.milestone-text h5 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.milestone-text p {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  font-weight: 300;
  margin-bottom: 0;
  line-height: 1.5;
}

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

.cert-card {
  background: rgba(10, 22, 40, 0.85);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
}

.cert-card:hover {
  border-color: rgba(201, 168, 76, 0.5);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.cert-card-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.cert-card-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.cert-card-desc {
  font-size: 0.78rem;
  color: var(--color-text-dim);
  font-weight: 300;
  line-height: 1.6;
}

/* ============================================================
   Contact Section
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 52px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.contact-info > p {
  color: var(--color-text-dim);
  font-weight: 300;
  margin-bottom: 36px;
  line-height: 1.8;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.15), rgba(30, 77, 183, 0.1));
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.72rem;
  color: var(--color-text-dim);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 5px;
}

.contact-item-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-white);
}

.contact-item-value a {
  color: var(--color-white);
}

.contact-item-value a:hover {
  color: var(--color-gold);
}

.contact-socials {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 42px; height: 42px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
  color: var(--color-text-dim);
  text-decoration: none;
}

.social-btn:hover {
  background: rgba(201, 168, 76, 0.1);
  border-color: rgba(201, 168, 76, 0.4);
  color: var(--color-gold);
  transform: translateY(-3px);
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(201, 168, 76, 0.2);
  height: 100%;
  min-height: 400px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ============================================================
   Footer
   ============================================================ */
#footer {
  background: var(--color-navy);
  border-top: 1px solid rgba(201, 168, 76, 0.15);
  padding: 64px 0 32px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 52px;
}

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

.footer-brand p {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-col h5 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  font-weight: 300;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-col ul li a::before {
  content: '›';
  color: var(--color-gold);
  font-size: 1rem;
}

.footer-col ul li a:hover {
  color: var(--color-gold-light);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  font-weight: 300;
}

.footer-copyright a {
  color: var(--color-gold);
}

.footer-iso-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 168, 76, 0.08);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 0.78rem;
  color: var(--color-gold);
  font-weight: 600;
}

/* ============================================================
   Floating Action Buttons
   ============================================================ */
.fab-container {
  position: fixed;
  bottom: 30px; right: 28px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.fab-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  border: none;
  position: relative;
}

.fab-btn .fab-tooltip {
  position: absolute;
  right: 64px;
  background: rgba(5, 13, 26, 0.95);
  border: 1px solid rgba(201, 168, 76, 0.25);
  color: var(--color-white);
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.fab-btn:hover .fab-tooltip {
  opacity: 1;
}

.fab-line {
  background: linear-gradient(135deg, #06c755, #05a347);
  color: white;
}

.fab-phone {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: white;
}

.fab-top {
  background: rgba(10, 22, 40, 0.9);
  border: 1px solid rgba(201, 168, 76, 0.3);
  color: var(--color-gold);
  opacity: 0;
  pointer-events: none;
}

.fab-top.visible {
  opacity: 1;
  pointer-events: all;
}

.fab-btn:hover {
  transform: scale(1.12) translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

/* ============================================================
   Scroll Reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

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

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid  { grid-template-columns: 1fr 1fr; }
  .stats-grid     { grid-template-columns: repeat(2, 1fr); }
  .cal-content    { grid-template-columns: 1fr; gap: 40px; }
  .about-content  { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid   { grid-template-columns: 1fr; }
  .products-grid  { grid-template-columns: 1fr 1fr; }
  .footer-grid    { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section      { padding: 70px 0; }
  .services-grid{ grid-template-columns: 1fr; }
  .products-grid{ grid-template-columns: 1fr; }
  .training-grid{ grid-template-columns: 1fr; }
  .cert-grid    { grid-template-columns: 1fr 1fr; }
  .footer-grid  { grid-template-columns: 1fr; gap: 32px; }
  .nav-links    { display: none; }
  .nav-hamburger{ display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: rgba(5, 13, 26, 0.98);
    backdrop-filter: blur(20px);
    justify-content: center;
    align-items: center;
    gap: 28px;
    z-index: 999;
  }

  .nav-links.open a {
    font-size: 1.2rem;
    font-weight: 600;
  }

  .hero-title       { font-size: 2rem; }
  .stats-grid       { grid-template-columns: repeat(2, 1fr); }
  .contact-map      { min-height: 280px; }
  .fab-container    { bottom: 20px; right: 18px; }
}

@media (max-width: 480px) {
  .container    { padding: 0 16px; }
  .cert-grid    { grid-template-columns: 1fr; }
  .footer-bottom{ flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}