/* ============================================================
   SANGDEE CONSTRUCTION — Main Stylesheet
   style.css
   
   Table of Contents:
   1.  CSS Variables & Root
   2.  Base Reset & Typography
   3.  Utility Classes
   4.  Header / Navbar
   5.  Language Switch
   6.  Hero Section
   7.  Section Shared Styles
   8.  About Section
   9.  Services Section
   10. Portfolio Section
   11. Why Choose Us Section
   12. Testimonials Section
   13. Contact Section
   14. Footer
   15. Floating Contact Buttons
   16. Animations & Transitions
   17. Responsive Overrides
============================================================ */


/* ============================================================
   1. CSS VARIABLES & ROOT
============================================================ */
:root {
  /* Brand Colors */
  --color-dark-blue:    #0f172a;
  --color-dark-blue-2:  #1e293b;
  --color-dark-blue-3:  #334155;
  --color-orange:       #f97316;
  --color-orange-hover: #ea6b0e;
  --color-orange-light: #fff7ed;
  --color-light-gray:   #f1f5f9;
  --color-mid-gray:     #e2e8f0;
  --color-text:         #1e293b;
  --color-text-muted:   #64748b;
  --color-white:        #ffffff;

  /* Typography */
  --font-th:   'IBM Plex Sans Thai', sans-serif;
  --font-en:   'Inter', sans-serif;
  --font-base: var(--font-th);

  /* Spacing */
  --section-pad: 100px;
  --container-max: 1200px;

  /* Border radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.14);
  --shadow-xl:  0 24px 64px rgba(0,0,0,.18);

  /* Transitions */
  --transition: all .25s ease;
}


/* ============================================================
   2. BASE RESET & TYPOGRAPHY
============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* Switch font for English language */
body[data-lang="en"] {
  font-family: var(--font-en);
}

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

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

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-dark-blue);
}


/* ============================================================
   3. UTILITY CLASSES
============================================================ */
.bg-light-gray {
  background-color: var(--color-light-gray);
}

.bg-dark-blue {
  background-color: var(--color-dark-blue);
}

.section-pad {
  padding: var(--section-pad) 0;
}

.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}


/* ============================================================
   4. HEADER / NAVBAR
============================================================ */
.site-header {
  background-color: var(--color-dark-blue);
  box-shadow: 0 2px 16px rgba(0,0,0,.25);
  z-index: 1050;
  top: 0;
}

.site-header .navbar {
  padding: 14px 0;
}

/* Logo */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-white) !important;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-orange);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  color: var(--color-white);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-primary {
  color: var(--color-orange);
  font-size: 1.05rem;
  font-weight: 800;
}

.logo-secondary {
  color: var(--color-white);
  font-size: 0.78rem;
  font-weight: 400;
  opacity: .85;
  letter-spacing: .03em;
}

/* Nav Links */
.site-header .nav-link {
  color: rgba(255, 255, 255, .75) !important;
  font-size: .92rem;
  font-weight: 500;
  padding: 8px 14px !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.site-header .nav-link:hover,
.site-header .nav-link:focus {
  color: var(--color-white) !important;
  background-color: rgba(255,255,255,.08);
}

/* Active section indicator */
.site-header .nav-link.is-active {
  color: var(--color-orange) !important;
  background-color: rgba(249,115,22,.12);
}

/* Navbar toggler — replaced by custom hamburger */
.hamburger {
  background: transparent;
  border: none;
  padding: 6px 4px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.hamburger:hover {
  background-color: rgba(255,255,255,.08);
}

.ham-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: rgba(255,255,255,.85);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease, width .3s ease;
  transform-origin: center;
}

/* Animated X when open */
.hamburger[aria-expanded="true"] .ham-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .ham-line:nth-child(2) {
  opacity: 0;
  width: 0;
}
.hamburger[aria-expanded="true"] .ham-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Header Actions */
.header-actions {
  flex-shrink: 0;
}

/* Header CTA Button */
.btn-cta-header {
  background-color: var(--color-orange);
  color: var(--color-white) !important;
  font-weight: 600;
  font-size: .88rem;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-orange);
  white-space: nowrap;
  transition: var(--transition);
}

.btn-cta-header:hover,
.btn-cta-header:focus {
  background-color: var(--color-orange-hover);
  border-color: var(--color-orange-hover);
  color: var(--color-white) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(249,115,22,.4);
}


/* ============================================================
   5. LANGUAGE SWITCH
============================================================ */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: rgba(255,255,255,.55);
  font-size: .85rem;
  font-weight: 600;
  padding: 4px 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  letter-spacing: .05em;
  transition: var(--transition);
  line-height: 1;
}

.lang-btn:hover {
  color: var(--color-white);
  background-color: rgba(255,255,255,.1);
}

.lang-btn.active {
  color: var(--color-orange);
  background-color: rgba(249,115,22,.15);
}

.lang-divider {
  color: rgba(255,255,255,.2);
  font-size: .8rem;
  user-select: none;
}


/* ============================================================
   6. HERO SECTION
============================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  background-image: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?w=1600&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15,23,42,.92) 0%,
    rgba(15,23,42,.75) 60%,
    rgba(15,23,42,.4) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 100px;
  padding-bottom: 60px;
}

/* Hero Badge */
.hero-badge {
  display: inline-block;
  background-color: rgba(249,115,22,.2);
  border: 1px solid rgba(249,115,22,.5);
  color: var(--color-orange);
  font-size: .82rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  letter-spacing: .05em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

/* Hero Headline */
.hero-headline {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -.01em;
}

.hero-headline br {
  display: block;
}

/* Hero Subheadline */
.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: rgba(255,255,255,.8);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 40px;
}

/* Hero CTA Buttons */
.btn-hero-primary {
  background-color: var(--color-orange);
  color: var(--color-white) !important;
  border: 2px solid var(--color-orange);
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition);
}

.btn-hero-primary:hover {
  background-color: var(--color-orange-hover);
  border-color: var(--color-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249,115,22,.45);
}

.btn-hero-line {
  background-color: #06c755;
  color: var(--color-white) !important;
  border: 2px solid #06c755;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition);
}

.btn-hero-line:hover {
  background-color: #05b14b;
  border-color: #05b14b;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6,199,85,.35);
}

.btn-hero-outline {
  background-color: transparent;
  color: var(--color-white) !important;
  border: 2px solid rgba(255,255,255,.5);
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition);
}

.btn-hero-outline:hover {
  background-color: rgba(255,255,255,.1);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.15);
  align-items: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-orange);
  line-height: 1;
}

.stat-label {
  font-size: .82rem;
  color: rgba(255,255,255,.65);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background-color: rgba(255,255,255,.15);
  flex-shrink: 0;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator a {
  color: rgba(255,255,255,.5);
  font-size: 1.6rem;
  animation: bounce 2s infinite;
  display: block;
}

.scroll-indicator a:hover {
  color: var(--color-orange);
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}


/* ============================================================
   7. SECTION SHARED STYLES
============================================================ */
.section-label {
  display: inline-block;
  color: var(--color-orange);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 12px;
  background-color: var(--color-orange-light);
  padding: 4px 14px;
  border-radius: 100px;
}

.section-label-light {
  background-color: rgba(249,115,22,.15);
  color: var(--color-orange);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--color-dark-blue);
  margin-bottom: 16px;
  letter-spacing: -.01em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.8;
}

.section-header .section-desc {
  margin: 0 auto;
}


/* ============================================================
   8. ABOUT SECTION
============================================================ */
.about-img-wrapper {
  position: relative;
}

.about-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.about-badge-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  font-size: .88rem;
}

.about-badge-float .bi {
  color: var(--color-orange);
  font-size: 1.8rem;
  flex-shrink: 0;
}

.about-badge-float strong {
  display: block;
  color: var(--color-text-muted);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
}

.about-badge-float span {
  color: var(--color-dark-blue);
  font-weight: 700;
  font-size: .9rem;
}

/* About Info Grid */
.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}

.about-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background-color: var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.about-info-item .bi {
  color: var(--color-orange);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.about-info-item > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.about-info-item strong {
  font-size: .72rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
}

.about-info-item span {
  font-size: .9rem;
  color: var(--color-text);
  font-weight: 500;
}

/* Mission Blockquote */
.about-mission {
  background: linear-gradient(135deg, var(--color-orange-light), #fff);
  border-left: 4px solid var(--color-orange);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  position: relative;
}

.about-mission .bi-quote {
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 2rem;
  color: var(--color-orange);
  opacity: .25;
}

.about-mission p {
  font-size: 1rem;
  color: var(--color-text);
  font-style: italic;
  line-height: 1.8;
  margin: 0;
}


/* ============================================================
   9. SERVICES SECTION
============================================================ */
.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  height: 100%;
  border: 1.5px solid var(--color-mid-gray);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-orange), var(--color-orange-hover));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-icon {
  width: 68px;
  height: 68px;
  background: linear-gradient(135deg, var(--color-orange-light), #fef3c7);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.8rem;
  color: var(--color-orange);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-hover));
  color: var(--color-white);
  transform: scale(1.05);
}

.service-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-dark-blue);
  margin-bottom: 12px;
}

.service-desc {
  font-size: .9rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

.service-link {
  color: var(--color-orange);
  font-size: .88rem;
  font-weight: 600;
  transition: var(--transition);
}

.service-link:hover {
  color: var(--color-orange-hover);
  letter-spacing: .02em;
}


/* ============================================================
   10. PORTFOLIO SECTION
============================================================ */
.portfolio-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.portfolio-img-wrap {
  position: relative;
  overflow: hidden;
}

.portfolio-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform .5s ease;
}

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

.portfolio-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--color-orange);
  color: var(--color-white);
  font-size: .72rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.portfolio-info {
  padding: 22px 24px;
}

.portfolio-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark-blue);
  margin-bottom: 8px;
  line-height: 1.4;
}

.portfolio-desc {
  font-size: .88rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
}


/* ============================================================
   11. WHY CHOOSE US SECTION
============================================================ */
.section-why {
  position: relative;
}

.why-card {
  background-color: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(249,115,22,.08), transparent);
  opacity: 0;
  transition: opacity .35s ease;
}

.why-card:hover {
  background-color: rgba(255,255,255,.07);
  border-color: rgba(249,115,22,.3);
  transform: translateY(-6px);
}

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

.why-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-hover));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.9rem;
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(249,115,22,.35);
  position: relative;
  z-index: 1;
}

.why-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.why-desc {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  line-height: 1.75;
  margin: 0;
  position: relative;
  z-index: 1;
}


/* ============================================================
   12. TESTIMONIALS SECTION
============================================================ */
.testimonial-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--color-mid-gray);
  height: 100%;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.testimonial-card--featured {
  background: linear-gradient(135deg, var(--color-dark-blue), var(--color-dark-blue-2));
  border-color: var(--color-dark-blue-3);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.testimonial-card--featured:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: #fbbf24;
  font-size: 1rem;
}

.testimonial-card--featured .testimonial-stars {
  color: var(--color-orange);
}

.testimonial-card blockquote {
  flex: 1;
  margin: 0;
}

.testimonial-card blockquote p {
  font-size: .95rem;
  color: var(--color-text);
  line-height: 1.8;
  font-style: italic;
  margin: 0;
}

.testimonial-card--featured blockquote p {
  color: rgba(255,255,255,.85);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--color-mid-gray);
}

.testimonial-card--featured .testimonial-author {
  border-top-color: rgba(255,255,255,.1);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-hover));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.testimonial-author > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonial-author strong {
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-dark-blue);
  display: block;
}

.testimonial-card--featured .testimonial-author strong {
  color: var(--color-white);
}

.testimonial-author span {
  font-size: .78rem;
  color: var(--color-text-muted);
}

.testimonial-card--featured .testimonial-author span {
  color: rgba(255,255,255,.55);
}


/* ============================================================
   13. CONTACT SECTION
============================================================ */
.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
}

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

.contact-info-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--color-orange-light), #fef3c7);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--color-orange);
  flex-shrink: 0;
}

.contact-info-item > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.contact-info-item strong {
  font-size: .72rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.contact-info-item a,
.contact-info-item span {
  font-size: .95rem;
  color: var(--color-text);
  font-weight: 500;
}

.contact-info-item a:hover {
  color: var(--color-orange);
}

/* Contact Buttons */
.btn-contact-call {
  background-color: var(--color-orange);
  color: var(--color-white) !important;
  border: 2px solid var(--color-orange);
  font-weight: 600;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-align: center;
}

.btn-contact-call:hover {
  background-color: var(--color-orange-hover);
  border-color: var(--color-orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(249,115,22,.35);
}

.btn-contact-line {
  background-color: #06c755;
  color: var(--color-white) !important;
  border: 2px solid #06c755;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-align: center;
}

.btn-contact-line:hover {
  background-color: #05b14b;
  border-color: #05b14b;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(6,199,85,.3);
}

/* Contact Form */
.contact-form .form-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-dark-blue);
  margin-bottom: 6px;
}

.contact-form .form-control,
.contact-form .form-select {
  border: 1.5px solid var(--color-mid-gray);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: .95rem;
  color: var(--color-text);
  background-color: var(--color-white);
  transition: var(--transition);
  font-family: inherit;
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
  outline: none;
}

.contact-form textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.btn-cta-form {
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-hover));
  color: var(--color-white) !important;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 32px;
  border-radius: var(--radius-sm);
  border: none;
  transition: var(--transition);
  letter-spacing: .02em;
}

.btn-cta-form:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249,115,22,.4);
  filter: brightness(1.05);
}

/* Form Success */
.form-success-msg {
  background-color: #dcfce7;
  border: 1.5px solid #86efac;
  color: #15803d;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: .92rem;
  font-weight: 500;
  margin-top: 16px;
}

/* Form field validation errors */
.form-error {
  font-size: .78rem;
  color: #dc2626;
  margin-top: 5px;
  display: none;          /* hidden by default */
  align-items: center;
  gap: 4px;
}

.form-error.show {
  display: flex;
}

/* Input invalid state */
.contact-form .form-control.is-invalid,
.contact-form .form-select.is-invalid {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220,38,38,.1);
}

.contact-form .form-control.is-valid,
.contact-form .form-select.is-valid {
  border-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22,163,74,.08);
}

/* Consent checkbox */
.consent-check {
  padding: 12px 16px;
  background-color: var(--color-light-gray);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-mid-gray);
}

.consent-check .form-check-input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-color: var(--color-dark-blue-3);
  cursor: pointer;
}

.consent-check .form-check-input:checked {
  background-color: var(--color-orange);
  border-color: var(--color-orange);
}

.consent-check .form-check-label {
  font-size: .9rem;
  color: var(--color-text);
  cursor: pointer;
  padding-left: 4px;
}

/* Contact trust badges */
.contact-trust-badges {
  margin-bottom: 0;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-mid-gray);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-text);
  gap: 4px;
}

.trust-badge .bi {
  color: var(--color-orange);
}


/* ============================================================
   14. FOOTER
============================================================ */
.site-footer {
  background-color: var(--color-dark-blue);
  padding: 64px 0 0;
}

.footer-top {
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

/* Footer Brand */
.footer-logo {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-logo .bi {
  color: var(--color-orange);
  font-size: 1.3rem;
}

.footer-logo:hover {
  color: var(--color-orange);
}

.footer-desc {
  font-size: .9rem;
  color: rgba(255,255,255,.55);
  line-height: 1.75;
  margin-bottom: 12px;
}

.footer-reg {
  font-size: .78rem;
  color: rgba(255,255,255,.35);
}

/* Footer Headings */
.footer-heading {
  font-size: .78rem;
  font-weight: 700;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 20px;
}

/* Footer Links */
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  transition: var(--transition);
  padding-left: 0;
}

.footer-links a:hover {
  color: var(--color-orange);
  padding-left: 4px;
}

/* Footer Contact List */
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  color: rgba(255,255,255,.6);
}

.footer-contact-list li .bi {
  color: var(--color-orange);
  font-size: .9rem;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-list a {
  color: rgba(255,255,255,.6);
}

.footer-contact-list a:hover {
  color: var(--color-orange);
}

/* Footer Bottom */
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: .82rem;
  color: rgba(255,255,255,.35);
  margin: 0;
}

.footer-back-top {
  color: rgba(255,255,255,.3);
  font-size: 1.6rem;
  transition: var(--transition);
}

.footer-back-top:hover {
  color: var(--color-orange);
  transform: translateY(-3px);
}


/* ============================================================
   15. FLOATING CONTACT BUTTONS
============================================================ */
.float-contact {
  position: fixed;
  bottom: 28px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1040;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.float-btn:hover {
  transform: translateY(-3px) scale(1.06);
  box-shadow: var(--shadow-xl);
  color: var(--color-white);
}

.float-call {
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-hover));
}

.float-line {
  background: linear-gradient(135deg, #06c755, #05b14b);
}


/* ============================================================
   16. SCROLL FADE-IN ANIMATIONS
============================================================ */

/*
  Usage:
  Add class="fade-in" to any element.
  Directional variants: fade-in--up | fade-in--left | fade-in--right
  Custom delay via inline style: style="--fi-delay: .2s"
*/

.fade-in {
  opacity: 0;
  transition:
    opacity  .65s ease,
    transform .65s ease;
  transition-delay: var(--fi-delay, 0s);
  will-change: opacity, transform;
}

.fade-in--up    { transform: translateY(36px); }
.fade-in--left  { transform: translateX(-36px); }
.fade-in--right { transform: translateX(36px); }

/* Once the JS observer fires .is-visible */
.fade-in.is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Cards get auto-staggered by JS; this CSS sets base */
.service-card,
.portfolio-card,
.why-card,
.testimonial-card,
.about-info-item,
.contact-info-item {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s ease, transform .55s ease, box-shadow .25s ease, transform .25s ease;
}

.service-card.is-visible,
.portfolio-card.is-visible,
.why-card.is-visible,
.testimonial-card.is-visible,
.about-info-item.is-visible,
.contact-info-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hover still works after fade-in */
.service-card.is-visible:hover     { transform: translateY(-8px); }
.portfolio-card.is-visible:hover   { transform: translateY(-6px); }
.why-card.is-visible:hover         { transform: translateY(-6px); }
.testimonial-card.is-visible:hover { transform: translateY(-4px); }

/* Override for featured testimonial */
.testimonial-card--featured.is-visible {
  transform: translateY(-8px);
}
.testimonial-card--featured.is-visible:hover {
  transform: translateY(-12px);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .service-card,
  .portfolio-card,
  .why-card,
  .testimonial-card,
  .about-info-item,
  .contact-info-item {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}


/* ============================================================
   17. RESPONSIVE OVERRIDES
============================================================ */

/* ------ Tablet (max 991px) ------ */
@media (max-width: 991px) {
  :root {
    --section-pad: 72px;
  }

  /* Navbar */
  .site-header .navbar-collapse {
    background-color: var(--color-dark-blue-2);
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 16px;
    margin-top: 8px;
    border-radius: var(--radius-md);
  }

  .header-actions {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,.08);
    flex-wrap: wrap;
  }

  .btn-cta-header {
    flex: 1;
    text-align: center;
  }

  /* Hero */
  .hero-section {
    background-attachment: scroll; /* Fix iOS parallax issue */
  }

  /* About */
  .about-badge-float {
    bottom: 12px;
    right: 12px;
  }

  /* About info grid — 1 column on tablet */
  .about-info-grid {
    grid-template-columns: 1fr;
  }
}

/* ------ Mobile (max 767px) ------ */
@media (max-width: 767px) {
  :root {
    --section-pad: 56px;
  }

  .hero-badge {
    font-size: .75rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 1.7rem;
  }

  .about-badge-float {
    display: none; /* Hide float badge on small screens */
  }

  .testimonial-card--featured {
    transform: translateY(0);
  }

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

  .float-contact {
    bottom: 20px;
    right: 16px;
  }
}

/* ------ Small Mobile (max 480px) ------ */
@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .stat-divider {
    display: none;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 12px 24px;
  }
}

/* ------ Large Screens ------ */
@media (min-width: 1400px) {
  :root {
    --section-pad: 120px;
  }
}

/* ============================================================
   18. HEADER SCROLLED STATE (added by JS)
============================================================ */
.site-header.scrolled {
  box-shadow: 0 4px 32px rgba(0,0,0,.45);
}

.site-header.scrolled .navbar {
  padding: 10px 0;
  transition: padding .25s ease;
}