/* ============================================
   FILMATIX — Premium AI Production Studio
   ============================================ */

/* --- CUSTOM PROPERTIES --- */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-card: #1a1a1a;
  --text-primary: #f5f5f5;
  --text-secondary: #999999;
  --accent: #c8602a;
  --accent-hover: #e07030;
  --border: #2a2a2a;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --nav-height: 72px;
  --container-max: 1200px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

/* --- UTILITIES --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- BUTTONS --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn--accent {
  background-color: var(--accent);
  color: #fff;
}

.btn--accent:hover {
  background-color: var(--accent-hover);
}

.btn--outline {
  border: 1px solid var(--border);
  color: var(--text-primary);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--lg {
  padding: 16px 40px;
  font-size: 0.9375rem;
}

/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition), backdrop-filter var(--transition);
}

.nav--scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__cta {
  padding: 10px 24px;
  font-size: 0.8125rem;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

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

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

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

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

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
background-image: url('hero.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;

}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0) 0%,
    rgba(10, 10, 10, 0.4) 40%,
    rgba(10, 10, 10, 0.9) 100%
  ),
  linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0f0f0f 100%);
  z-index: -1;
}

.hero__content {
  padding: 120px 24px 80px;
  max-width: 800px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero__tagline {
  margin-top: 48px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

/* --- SECTIONS --- */
.section {
  padding: 120px 0;
}

.section--alt {
  background-color: var(--bg-secondary);
}

.section--compact {
  padding: 80px 0;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 64px;
  letter-spacing: -0.01em;
}

.section__title--sm {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 40px;
}

.section__subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.0625rem;
  margin-top: -48px;
  margin-bottom: 56px;
}

/* --- ARTISAN SLIDER --- */
.artisan-slider {
  max-width: 800px;
  margin: 0 auto 40px;
}

.artisan-slider__container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: ew-resize;
  user-select: none;
}

.artisan-slider__before,
.artisan-slider__after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.artisan-slider__before {
  z-index: 1;
}

.artisan-slider__after {
  z-index: 2;
  clip-path: inset(0 0 0 50%);
}

.artisan-slider__image {
  width: 100%;
  height: 100%;
}

.artisan-slider__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-secondary);
}

.artisan-slider__placeholder--before {
  background: #151515;
}

.artisan-slider__placeholder--after {
  background: linear-gradient(135deg, #1a1510 0%, #1a1a1a 100%);
}

.artisan-slider__label {
  position: absolute;
  bottom: 16px;
  padding: 6px 14px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  z-index: 5;
}

.artisan-slider__label--before {
  left: 16px;
}

.artisan-slider__label--after {
  right: 16px;
}

.artisan-slider__handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  z-index: 10;
  transform: translateX(-50%);
  cursor: ew-resize;
}

.artisan-slider__handle-line {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--accent);
}

.artisan-slider__handle-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 24px rgba(200, 96, 42, 0.3);
}

.slider-section__text {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.7;
}

/* --- SERVICE TIERS --- */
.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.tier {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 40px 32px;
  position: relative;
  transition: border-color var(--transition);
}

.tier:hover {
  border-color: #3a3a3a;
}

.tier--featured {
  border-color: var(--accent);
  transform: scale(1.02);
}

.tier--featured:hover {
  border-color: var(--accent-hover);
}

.tier__badge {
  position: absolute;
  top: -1px;
  right: 32px;
  background: var(--accent);
  color: #fff;
  padding: 6px 16px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tier__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.tier__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.tier__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.tier__price {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
}

.tier__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.tier__list {
  margin-bottom: 32px;
}

.tier__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
}

.tier__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* --- PORTFOLIO --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.portfolio-item {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  cursor: pointer;
}

.portfolio-item__image {
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-item__image {
  transform: scale(1.05);
}

.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 10, 10, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-item:hover .portfolio-item__overlay {
  opacity: 1;
}

.portfolio-item__tag {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.portfolio-item__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
}

.portfolio-cta {
  text-align: center;
  margin-top: 48px;
}

/* --- PROCESS --- */
.process {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.process__step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
}

.process__connector {
  width: 60px;
  min-width: 40px;
  height: 1px;
  background: var(--border);
  margin-top: 32px;
  flex-shrink: 0;
}

.process__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.process__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.process__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- ABOUT --- */
.about {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.about__text p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about__text p:last-child {
  margin-bottom: 0;
  color: var(--text-primary);
}

.about__placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

/* --- LOGOS / SOCIAL PROOF --- */
.logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.logos__item {
  width: 100px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  opacity: 0.5;
}

/* --- CONTACT --- */
.contact {
  max-width: 680px;
  margin: 0 auto;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-input {
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition);
  border-radius: 2px;
}

.form-input:focus {
  border-color: var(--accent);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

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

.contact__info {
  margin-top: 32px;
  text-align: center;
  display: flex;
  justify-content: center;
  gap: 32px;
}

.contact__link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.contact__link:hover {
  color: var(--accent);
}

/* --- FOOTER --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.footer__note {
  font-size: 0.6875rem;
  color: #555;
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--text-primary);
}

.footer__social {
  display: flex;
  gap: 16px;
}

.footer__social a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__social a:hover {
  color: var(--accent);
}

/* --- FADE-IN ANIMATION --- */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .tiers {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }

  .tier--featured {
    transform: none;
    order: -1;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__image {
    order: -1;
    max-width: 400px;
  }

  .process {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }

  .process__step {
    padding: 24px 0;
  }

  .process__connector {
    width: 1px;
    height: 40px;
    min-width: 1px;
    margin-top: 0;
  }

  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .section {
    padding: 80px 0;
  }

  .section__title {
    margin-bottom: 40px;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.4s ease;
  }

  .nav__menu.open {
    transform: translateX(0);
  }

  .nav__cta {
    width: 100%;
    text-align: center;
    margin-top: 16px;
  }

  .hero__content {
    padding: 100px 20px 60px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .portfolio-item {
    aspect-ratio: 3 / 4;
  }

  .portfolio-item__overlay {
    opacity: 1;
  }

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

  .contact__info {
    flex-direction: column;
    gap: 12px;
  }

  .logos {
    gap: 24px;
  }

  .logos__item {
    width: 80px;
    height: 32px;
  }

  .section__subtitle {
    margin-top: -28px;
    margin-bottom: 40px;
  }
}