/* ============================================
   Sterling VC Horse Transport — Stylesheet
   ============================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --white: #FFFFFF;
  --off-white: #F7F7F7;
  --light-gray: #E8E8E8;
  --mid-gray: #999999;
  --dark-gray: #333333;
  --charcoal: #1A1A1A;
  --black: #000000;
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--dark-gray);
  background: var(--white);
  line-height: 1.7;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--charcoal);
}

/* --- Utility --- */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 1.2rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1.5rem;
}

.section-divider {
  width: 60px;
  height: 2px;
  background: var(--charcoal);
  margin: 0 auto 2rem;
}

/* --- Fade-in & Reveal Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s cubic-bezier(0.2, 1, 0.3, 1), transform 1.2s cubic-bezier(0.2, 1, 0.3, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 1.2s cubic-bezier(0.2, 1, 0.3, 1), transform 1.2s cubic-bezier(0.2, 1, 0.3, 1);
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 1.2s cubic-bezier(0.2, 1, 0.3, 1), transform 1.2s cubic-bezier(0.2, 1, 0.3, 1);
}

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

/* Reveal Mask Effect */
.reveal-mask {
  position: relative;
  overflow: hidden;
}

.reveal-mask::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  transform: translateX(0);
  transition: transform 1.2s cubic-bezier(0.7, 0, 0.3, 1);
  z-index: 2;
}

.reveal-mask.visible::after {
  transform: translateX(101%);
}

/* Text Split Reveal (handled by JS) */
.line-reveal {
  overflow: hidden;
}

.line-reveal span {
  display: block;
  transform: translateY(110%);
  transition: transform 1s cubic-bezier(0.2, 1, 0.3, 1);
}

.line-reveal.visible span {
  transform: translateY(0);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
  height: 80px;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--light-gray);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
}

.logo-main {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
  transition: color 0.5s ease;
  white-space: nowrap;
}

.logo-main span {
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 4px;
}

.logo small {
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 4px;
  transition: color 0.5s ease;
}

.site-header.scrolled .logo-main {
  color: var(--charcoal);
}

.site-header.scrolled .logo-main span {
  color: var(--mid-gray);
}

.site-header.scrolled .logo small {
  color: var(--mid-gray);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 4px 0;
  transition: color 0.5s ease;
}

.site-header.scrolled .nav-links a {
  color: var(--dark-gray);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--white);
  transition: width 0.3s ease, background 0.5s ease;
}

.site-header.scrolled .nav-links a::after {
  background: var(--charcoal);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--white);
}

.site-header.scrolled .nav-links a:hover {
  color: var(--black);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1002;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: transform 0.4s ease, opacity 0.3s ease, background 0.5s ease;
  transform-origin: center;
}

.site-header.scrolled .menu-toggle span {
  background: var(--charcoal);
}

.menu-toggle.active span {
  background: var(--white) !important;
}

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

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('img/hero-bg.png') center/cover no-repeat;
  opacity: 0.85;
  filter: grayscale(100%);
  transition: transform 14s ease;
}

.hero:hover .hero-bg {
  transform: scale(1.04);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(0, 0, 0, 0.4) 0%,
      rgba(0, 0, 0, 0.1) 40%,
      rgba(0, 0, 0, 0.2) 70%,
      rgba(0, 0, 0, 0.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding: 0 2rem;
}

.hero-label {
  display: none;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.15;
  letter-spacing: 0;
  font-weight: 400;
}

.hero p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 500px;
  margin: 0 auto 3rem;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 1px;
}

/* CTA Button */
.btn-primary {
  display: inline-block;
  padding: 16px 40px;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--black);
  background: var(--white);
  border: 1px solid var(--white);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: transparent;
  color: var(--white);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.btn-dark {
  display: inline-block;
  padding: 16px 48px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--white);
  background: var(--charcoal);
  border: 1.5px solid var(--charcoal);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

.btn-dark:hover {
  color: var(--white);
  border-color: var(--black);
}

.btn-dark:hover::before {
  transform: scaleX(1);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  right: 40px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.55rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  pointer-events: none;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% {
    top: -100%;
  }

  50% {
    top: 0;
  }

  100% {
    top: 100%;
  }
}

/* ============================================
   STORY SECTION
   ============================================ */
.story-section {
  padding: 8rem 0;
  background: var(--white);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.story-image-wrapper {
  position: relative;
  overflow: hidden;
}

.story-image-wrapper img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  filter: grayscale(30%);
  transition: filter 0.5s ease, transform 0.5s ease;
}

.story-image-wrapper:hover img {
  filter: grayscale(0%);
  transform: scale(1.02);
}

.story-image-frame {
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 1px solid var(--light-gray);
  z-index: -1;
}

.story-text blockquote {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--charcoal);
  line-height: 1.6;
  margin-bottom: 2rem;
  padding-left: 2rem;
  border-left: 3px solid var(--charcoal);
}

.story-text p {
  font-size: 1rem;
  color: #555;
  margin-bottom: 1.5rem;
  line-height: 1.9;
}

/* ============================================
   VALUES SECTION
   ============================================ */
.values-section {
  padding: 8rem 0;
  background: var(--off-white);
  text-align: center;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-top: 4rem;
}

.value-card {
  padding: 3rem 2rem;
  background: var(--white);
  border: 1px solid var(--light-gray);
  transition: var(--transition);
  position: relative;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--charcoal);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.value-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--charcoal);
  fill: none;
  stroke-width: 1.5;
}

.value-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.value-card p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.8;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
  padding: 8rem 0;
  background: var(--white);
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.service-card {
  padding: 3rem;
  background: var(--off-white);
  border: 1px solid var(--light-gray);
  text-align: left;
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
}

.service-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--light-gray);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.service-card p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.8;
}

/* ============================================
   GALLERY STRIP
   ============================================ */
.gallery-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 400px;
  overflow: hidden;
}

.gallery-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: filter 0.5s ease, transform 0.5s ease;
}

.gallery-strip img:hover {
  filter: grayscale(0%);
  transform: scale(1.05);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
  padding: 8rem 0;
  background: var(--charcoal);
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-info .section-label {
  color: rgba(255, 255, 255, 0.5);
}

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

.contact-info p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.phone-display {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--white);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.phone-display svg {
  width: 28px;
  height: 28px;
  stroke: var(--white);
  fill: none;
}

.phone-display a {
  color: var(--white);
  transition: var(--transition);
}

.phone-display a:hover {
  opacity: 0.7;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  outline: none;
  transition: var(--transition);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.12);
}

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

.form-submit {
  align-self: flex-start;
  padding: 16px 48px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--charcoal);
  background: var(--white);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.form-submit:hover {
  background: var(--light-gray);
  transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding: 4rem 0 2rem;
  background: var(--black);
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 2rem;
  font-style: italic;
}

.footer-divider {
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: 2rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--white);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    background: var(--charcoal);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    z-index: 1001;
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: 1.8rem !important;
    font-family: var(--font-heading) !important;
    font-weight: 400 !important;
    letter-spacing: 3px !important;
    text-transform: uppercase;
    color: var(--white) !important;
    padding: 1rem 0 !important;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease !important;
  }

  .nav-links.active a {
    opacity: 1;
    transform: translateY(0);
  }

  .nav-links.active li:nth-child(1) a {
    transition-delay: 0.1s;
  }

  .nav-links.active li:nth-child(2) a {
    transition-delay: 0.2s;
  }

  .nav-links.active li:nth-child(3) a {
    transition-delay: 0.25s;
  }

  .nav-links.active li:nth-child(4) a {
    transition-delay: 0.3s;
  }

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

  .nav-links a:hover {
    color: rgba(255, 255, 255, 0.6) !important;
  }

  .story-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .story-image-wrapper img {
    height: 350px;
  }

  .values-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
    margin-left: auto;
    margin-right: auto;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .gallery-strip {
    height: 250px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-submit {
    align-self: center;
    width: 100%;
    max-width: 300px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .btn-primary,
  .btn-dark,
  .form-submit {
    padding: 14px 36px;
    letter-spacing: 2px;
  }

  .story-text blockquote {
    font-size: 1.2rem;
    padding-left: 1.5rem;
  }

  .phone-display {
    font-size: 1.5rem;
  }

  .story-section,
  .values-section,
  .services-section,
  .contact-section {
    padding: 5rem 0;
  }
}