/* ============================================
   Bright Future Construction Inc — Styles
   ============================================ */

:root {
  --color-navy: #1a2744;
  --color-navy-dark: #111b30;
  --color-navy-light: #2a3a5c;
  --color-gold: #c9a227;
  --color-gold-light: #dbb84a;
  --color-gold-dark: #a8861f;
  --color-white: #ffffff;
  --color-gray-50: #f8f9fb;
  --color-gray-100: #eef0f4;
  --color-gray-200: #dde1e8;
  --color-gray-400: #8b95a5;
  --color-gray-600: #5a6474;
  --color-gray-800: #2d3340;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --shadow-sm: 0 2px 8px rgba(26, 39, 68, 0.08);
  --shadow-md: 0 8px 30px rgba(26, 39, 68, 0.12);
  --shadow-lg: 0 20px 60px rgba(26, 39, 68, 0.18);
  --shadow-gold: 0 8px 30px rgba(201, 162, 39, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-800);
  background: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-navy-dark);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section */
.section {
  padding: 6rem 0;
}

.section--dark {
  background: var(--color-navy);
  color: var(--color-white);
}

.section--gray {
  background: var(--color-gray-50);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.section-eyebrow--light {
  color: var(--color-gold-light);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-title--light {
  color: var(--color-white);
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-gray-600);
  line-height: 1.7;
}

.section-subtitle--light {
  color: rgba(255, 255, 255, 0.75);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9375rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-navy-dark);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201, 162, 39, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

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

.btn-large {
  padding: 1.125rem 2.25rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(26, 39, 68, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-white);
}

.logo-icon {
  color: var(--color-navy-light);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
}

.logo-tagline {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link--cta {
  background: var(--color-gold);
  color: var(--color-navy-dark) !important;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav-link--cta::after {
  display: none;
}

.nav-link--cta:hover {
  background: var(--color-gold-light);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  z-index: 1001;
}

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

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1920&q=85');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(17, 27, 48, 0.92) 0%,
    rgba(26, 39, 68, 0.78) 50%,
    rgba(17, 27, 48, 0.88) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: calc(var(--header-height) + 3rem) 1.5rem 4rem;
  max-width: 900px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.25rem;
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(201, 162, 39, 0.4);
  border-radius: 50px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.75;
  max-width: 720px;
  margin: 0 auto 2.5rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

.hero-trust {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.75;
  max-width: 640px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-weight: 500;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.5);
  animation: bounce 2s ease-in-out infinite;
  z-index: 1;
  transition: color var(--transition);
}

.hero-scroll:hover {
  color: var(--color-gold);
}

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

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-images {
  position: relative;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

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

.about-image:hover img {
  transform: scale(1.05);
}

.about-image--main {
  width: 85%;
  aspect-ratio: 4/5;
}

.about-image--secondary {
  position: absolute;
  bottom: -2rem;
  right: 0;
  width: 55%;
  aspect-ratio: 4/3;
  border: 4px solid var(--color-white);
}

.about-text {
  color: var(--color-gray-600);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}

.about-features {
  margin: 2rem 0;
}

.about-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0;
  font-weight: 500;
  color: var(--color-navy);
}

.about-features svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(201, 162, 39, 0.3);
  box-shadow: var(--shadow-lg);
}

.service-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

.service-card:hover .service-card-image img {
  transform: scale(1.08);
}

.service-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 39, 68, 0.6), transparent);
}

.service-card-body {
  padding: 1.75rem;
}

.service-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 162, 39, 0.15);
  color: var(--color-gold);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--color-gold);
  color: var(--color-navy-dark);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
}

/* Why Us */
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.why-us-content .section-subtitle {
  margin-bottom: 2rem;
}

.why-us-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.advantage-card {
  background: var(--color-white);
  padding: 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 162, 39, 0.3);
}

.advantage-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 162, 39, 0.12);
  color: var(--color-gold-dark);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  transition: all var(--transition);
}

.advantage-card:hover .advantage-icon {
  background: var(--color-gold);
  color: var(--color-navy-dark);
}

.advantage-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.advantage-desc {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-intro {
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-action {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.contact-action:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(201, 162, 39, 0.4);
  transform: translateX(4px);
}

.contact-action-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 162, 39, 0.15);
  color: var(--color-gold);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.contact-action-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.25rem;
}

.contact-action-value {
  display: block;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-white);
}

.contact-cta-btn {
  margin-top: 0.5rem;
}

.contact-form-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.form-group label span {
  color: var(--color-gold-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-gray-800);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-100);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  background: var(--color-white);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #e53e3e;
}

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

.form-error {
  display: block;
  font-size: 0.8125rem;
  color: #e53e3e;
  margin-top: 0.375rem;
  min-height: 1.25rem;
}

.form-success {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(56, 161, 105, 0.1);
  color: #276749;
  border-radius: var(--radius-sm);
  font-weight: 500;
  text-align: center;
}

/* Footer */
.footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-desc {
  margin-top: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.footer-nav ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav a {
  font-size: 0.9375rem;
  transition: color var(--transition);
}

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

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
}

.footer-contact svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

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

.footer-bottom {
  padding: 1.5rem 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.45);
}

/* Scroll Animations */
.reveal,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal {
  transform: translateY(40px);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-right {
  transform: translateX(40px);
}

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

/* Responsive */
@media (max-width: 1024px) {
  .about-grid,
  .why-us-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .why-us-content {
    text-align: center;
  }

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

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    background: var(--color-navy-dark);
    padding: 2rem;
    transition: right var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 1rem 0;
    font-size: 1.0625rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-link--cta {
    margin-top: 1rem;
    text-align: center;
    border: none;
  }

  .hero-bg {
    background-attachment: scroll;
  }

  .about-image--main {
    width: 100%;
  }

  .about-image--secondary {
    position: relative;
    width: 80%;
    margin: -3rem auto 0;
    bottom: auto;
    right: auto;
  }

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

  .why-us-cards {
    grid-template-columns: 1fr;
  }

  .contact-form-wrapper {
    padding: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: span 1;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }
}