/* ============================================
   StartMarket — Custom Styles
   Minimal Black & White Premium Aesthetic
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

/* ---- CSS Variables ---- */
:root {
  --black: #000000;
  --white: #ffffff;
  --grey-50: #fafafa;
  --grey-100: #f5f5f5;
  --grey-200: #e5e5e5;
  --grey-300: #d4d4d4;
  --grey-500: #737373;
  --grey-700: #404040;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---- Base ---- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--white);
  color: var(--black);
  overflow-x: hidden;
}

/* ---- Typography ---- */
.font-display { font-family: 'Playfair Display', Georgia, serif; }

.text-gradient {
  background: linear-gradient(135deg, #000 0%, #555 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.nav-link {
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--black);
  text-decoration: none;
  transition: opacity var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--black);
  transition: width var(--transition);
}

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

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--black);
  color: var(--white);
  padding: 0.875rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid var(--black);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary:hover {
  background: var(--white);
  color: var(--black);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--black);
  padding: 0.875rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid var(--black);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-secondary:hover {
  background: var(--black);
  color: var(--white);
}

/* ---- Hero ---- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-headline {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-bg-text {
  position: absolute;
  top: 50%;
  right: -5%;
  transform: translateY(-50%);
  font-size: clamp(8rem, 20vw, 18rem);
  font-weight: 900;
  color: rgba(0,0,0,0.03);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  letter-spacing: -0.05em;
}

/* ---- Section Labels ---- */
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-500);
}

/* ---- Number Counters ---- */
.stat-number {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

/* ---- Cards ---- */
.service-card {
  border: 1px solid var(--grey-200);
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

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

/* ---- Portfolio Grid ---- */
.portfolio-item {
  position: relative;
  overflow: hidden;
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  transition: all var(--transition);
}

.portfolio-item:hover {
  box-shadow: 0 24px 64px rgba(0,0,0,0.1);
  transform: translateY(-6px);
}

.portfolio-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  transition: background var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

.portfolio-item:hover .portfolio-item-overlay {
  background: rgba(0,0,0,0.85);
}

.portfolio-overlay-content {
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition);
  color: var(--white);
}

.portfolio-item:hover .portfolio-overlay-content {
  transform: translateY(0);
  opacity: 1;
}

/* ---- Testimonials ---- */
.testimonial-card {
  border: 1px solid var(--grey-200);
  padding: 2.5rem;
  transition: all var(--transition);
}

.testimonial-card:hover {
  border-color: var(--black);
  box-shadow: 6px 6px 0 var(--black);
}

/* ---- Process Steps ---- */
.process-step {
  position: relative;
}

.process-step-number {
  font-size: 5rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(0,0,0,0.06);
  letter-spacing: -0.04em;
}

/* ---- Dividers ---- */
.divider {
  height: 1px;
  background: var(--grey-200);
}

/* ---- Contact Form ---- */
.form-group { position: relative; }

.form-group input,
.form-group select,
.form-group textarea {
  font-family: 'Inter', sans-serif;
}

.form-group select option { color: var(--black); }

/* ---- Footer ---- */
.footer-link {
  font-size: 0.875rem;
  color: var(--grey-500);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-link:hover { color: var(--black); }

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s var(--transition) forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.animate-marquee {
  animation: marquee 20s linear infinite;
}

/* Scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ---- Stagger delays ---- */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* ---- Mobile Nav ---- */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}

.mobile-nav.open { display: flex; }

.mobile-nav-link {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--black);
  transition: opacity var(--transition);
}

.mobile-nav-link:hover { opacity: 0.4; }

/* ---- Hamburger ---- */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: all var(--transition);
}

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

/* ---- Page Header ---- */
.page-header {
  padding: 10rem 0 6rem;
  border-bottom: 1px solid var(--grey-200);
}

/* ---- Tag Pills ---- */
.tag-pill {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--grey-200);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--grey-700);
  letter-spacing: 0.03em;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--white); }
::-webkit-scrollbar-thumb { background: var(--grey-300); }
::-webkit-scrollbar-thumb:hover { background: var(--grey-500); }

/* ---- Selection ---- */
::selection {
  background: var(--black);
  color: var(--white);
}

/* ---- Marquee ticker ---- */
.marquee-wrapper {
  display: flex;
  overflow: hidden;
  white-space: nowrap;
  gap: 0;
}

.marquee-track {
  display: flex;
  gap: 3rem;
  min-width: max-content;
}

/* ---- Utility ---- */
.border-b-animated {
  position: relative;
}
.border-b-animated::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grey-200);
}