/* ============================================
   MARCOS SIEGA — Personal Website
   Warm Cinematic Light Theme
   ============================================ */

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

:root {
  --bg: #f7f4ef;
  --bg-surface: #efeae3;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #1a1714;
  --text-secondary: #6b6560;
  --text-muted: #a09890;
  --accent: #9e7c20;
  --accent-hover: #b8941f;
  --accent-dim: rgba(158, 124, 32, 0.1);
  --border: rgba(0, 0, 0, 0.07);
  --border-hover: rgba(0, 0, 0, 0.13);
  --shadow-soft: 0 2px 20px rgba(0, 0, 0, 0.05);
  --shadow-lift: 0 12px 40px rgba(0, 0, 0, 0.08);
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background-color: var(--accent);
  color: var(--bg);
}

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

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Film Grain Overlay --- */
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2.5rem;
  transition: all 0.4s var(--ease-out);
}

.nav--scrolled {
  padding: 1rem 2.5rem;
  background-color: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.04);
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--text-primary);
  transition: color 0.3s;
}

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

.nav__links {
  display: flex;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.3s;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent);
  transition: width 0.3s var(--ease-out);
}

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

.nav__link:hover::after {
  width: 100%;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 24px;
  padding: 0;
  z-index: 1001;
}

.nav__burger span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
  transition: all 0.3s var(--ease-out);
  transform-origin: center;
}

.nav__burger.active span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav__burger.active span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(247, 244, 239, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease-out);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__link {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  transition: color 0.3s;
  transform: translateY(20px);
  opacity: 0;
}

.mobile-menu.active .mobile-menu__link {
  transform: translateY(0);
  opacity: 1;
  transition: all 0.5s var(--ease-out);
}

.mobile-menu.active .mobile-menu__link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-menu__link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-menu__link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-menu__link:nth-child(4) { transition-delay: 0.25s; }

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

.mobile-menu__socials {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  opacity: 0;
  transform: translateY(10px);
}

.mobile-menu.active .mobile-menu__socials {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.5s var(--ease-out) 0.3s;
}

.mobile-menu__socials a {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s;
}

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

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2rem;
  background: radial-gradient(ellipse at 50% 30%, rgba(158, 124, 32, 0.06) 0%, transparent 60%),
              var(--bg);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 60%, var(--bg) 100%);
  pointer-events: none;
}

.hero__content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero__pre-title {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.reveal-line {
  display: block;
  overflow: hidden;
}

.reveal-line span {
  display: inline-block;
  transform: translateY(120%);
  animation: revealLine 1s var(--ease-out) forwards;
}

.reveal-line:nth-child(2) span {
  animation-delay: 0.15s;
}

@keyframes revealLine {
  to { transform: translateY(0); }
}

.hero__tagline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.hero__tagline p {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.hero__line {
  display: block;
  width: 40px;
  height: 1px;
  background-color: var(--accent);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  animation: fadeInUp 1s var(--ease-out) 1.2s forwards;
}

.hero__scroll-indicator span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.5); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* --- Section Label --- */
.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.section-label__number {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.section-label__line {
  width: 40px;
  height: 1px;
  background-color: var(--border-hover);
}

.section-label__text {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* --- About Section --- */
.about {
  padding: 8rem 0;
  position: relative;
}

.about__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about__lead {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 300;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.about__bio p {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.about__bio strong {
  color: var(--text-primary);
  font-weight: 500;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding-top: 1rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background-color: var(--bg-card);
  box-shadow: var(--shadow-soft);
  transition: all 0.3s;
}

.stat:hover {
  border-color: var(--accent-dim);
  box-shadow: var(--shadow-lift);
}

.stat__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 300;
  color: var(--accent);
  display: inline;
}

.stat__suffix {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 300;
  color: var(--accent);
}

.stat__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* --- Work Section --- */
.work {
  padding: 8rem 0;
  background-color: var(--bg-surface);
  position: relative;
}

.work::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

.work__filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.work__filter {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-muted);
  transition: all 0.3s var(--ease-out);
}

.work__filter:hover {
  border-color: var(--border-hover);
  color: var(--text-secondary);
}

.work__filter.active {
  border-color: var(--accent);
  color: var(--accent);
  background-color: var(--accent-dim);
}

.work__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.work__card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all 0.4s var(--ease-out);
}

.work__card.hidden {
  display: none;
}

.work__card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.work__card-inner {
  padding: 2rem;
}

.work__card-category {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

.work__card-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.work__card-role {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.work__card-detail {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.work__card-description {
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--text-secondary);
}

.work__more {
  text-align: center;
  margin-top: 3rem;
}

/* --- Reel / My Work Section --- */
.reel {
  padding: 8rem 0;
  position: relative;
}

.reel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

.reel__heading {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  margin-bottom: 3rem;
}

.reel__subsection {
  margin-bottom: 4rem;
}

.reel__subsection:last-child {
  margin-bottom: 0;
}

.reel__sub-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.reel__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* Card button reset */
.reel__card {
  display: flex;
  flex-direction: column;
  text-align: center;
  padding: 0;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  font-family: inherit;
}

.reel__thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  background-color: #1a1714;
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.reel__card:hover .reel__thumb {
  box-shadow: var(--shadow-lift);
  transform: translateY(-4px);
}

.reel__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out), filter 0.4s;
  filter: brightness(0.85);
}

.reel__card:hover .reel__thumb img {
  transform: scale(1.06);
  filter: brightness(0.55);
}

/* Overlay with play icon */
.reel__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  transition: opacity 0.35s var(--ease-out);
}

.reel__card:hover .reel__overlay {
  opacity: 1;
}

.reel__play {
  color: #ffffff;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
  transition: transform 0.4s var(--ease-out);
}

.reel__card:hover .reel__play {
  transform: scale(1.1);
}

.reel__watch {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #ffffff;
  filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.5));
}

.reel__title {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-top: 0.75rem;
  line-height: 1.4;
}

/* --- Lightbox Modal --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lightbox__content {
  position: relative;
  width: 90vw;
  max-width: 960px;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.4s var(--ease-out);
}

.lightbox.active .lightbox__content {
  transform: translateY(0) scale(1);
}

.lightbox__close {
  position: absolute;
  top: -48px;
  right: 0;
  color: #ffffff;
  opacity: 0.7;
  transition: opacity 0.3s, transform 0.3s;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.lightbox__close:hover {
  opacity: 1;
  transform: scale(1.15);
}

.lightbox__video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #000;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.lightbox__video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 1024px) {
  .reel__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .reel__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .reel__title {
    font-size: 0.75rem;
  }

  .lightbox__content {
    width: 95vw;
  }

  .lightbox__close {
    top: -40px;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn--outline {
  border: 1px solid var(--border-hover);
  color: var(--text-secondary);
}

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

.btn--primary {
  background-color: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  font-weight: 500;
}

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

.btn--primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn__loading,
.btn__success {
  display: none;
}

.btn--loading .btn__text { display: none; }
.btn--loading .btn__loading {
  display: inline-flex;
  animation: spin 1s linear infinite;
}

.btn--success .btn__text { display: none; }
.btn--success .btn__success { display: inline; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Contact Section --- */
.contact {
  padding: 8rem 0 6rem;
  position: relative;
}

.contact__heading {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  margin-bottom: 3rem;
}

.contact__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.contact__card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2.5rem 2rem;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.contact__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease-out);
}

.contact__card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}

.contact__card:hover::before {
  transform: scaleX(1);
}

.contact__card-icon {
  color: var(--accent);
  margin-bottom: 1.25rem;
  transition: transform 0.4s var(--ease-out);
}

.contact__card:hover .contact__card-icon {
  transform: scale(1.1);
}

.contact__card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.contact__card p {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Contact Form */
.contact__form-wrapper {
  display: none;
  max-width: 600px;
  animation: slideUp 0.5s var(--ease-out);
}

.contact__form-wrapper.active {
  display: block;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.contact__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2rem;
  transition: color 0.3s;
}

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

.contact__form-header {
  margin-bottom: 2rem;
}

.contact__form-header h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
}

.contact__form-header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-field {
  position: relative;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 1rem 0 0.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-primary);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-hover);
  outline: none;
  transition: border-color 0.3s;
  resize: vertical;
}

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

.form-field label {
  position: absolute;
  left: 0;
  top: 1rem;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.3s var(--ease-out);
}

.form-field input:focus ~ label,
.form-field input:not(:placeholder-shown) ~ label,
.form-field textarea:focus ~ label,
.form-field textarea:not(:placeholder-shown) ~ label {
  top: -0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.form-field__bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent);
  transition: width 0.4s var(--ease-out);
}

.form-field input:focus ~ .form-field__bar,
.form-field textarea:focus ~ .form-field__bar {
  width: 100%;
}

.contact__form .btn {
  margin-top: 1rem;
  width: 100%;
  justify-content: center;
}

/* Reveal fields with stagger */
.reveal-field {
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.4s var(--ease-out);
}

.contact__form-wrapper.active .reveal-field {
  opacity: 1;
  transform: translateY(0);
}

.contact__form-wrapper.active .form-group:nth-child(1) .reveal-field { transition-delay: 0.05s; }
.contact__form-wrapper.active .form-group:nth-child(2) .reveal-field { transition-delay: 0.1s; }
.contact__form-wrapper.active .form-group:nth-child(3) .reveal-field { transition-delay: 0.15s; }
.contact__form-wrapper.active .form-group:nth-child(4) .reveal-field { transition-delay: 0.2s; }

/* Success State */
.contact__success {
  display: none;
  text-align: center;
  padding: 4rem 2rem;
  animation: slideUp 0.5s var(--ease-out);
}

.contact__success.active {
  display: block;
}

.contact__success-icon {
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: checkDraw 0.8s var(--ease-out) forwards;
}

@keyframes checkDraw {
  0% { opacity: 0; transform: scale(0.5); }
  50% { transform: scale(1.1); }
  100% { opacity: 1; transform: scale(1); }
}

.contact__success h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 0.75rem;
}

.contact__success p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* --- Disclaimer Checkbox --- */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background-color: var(--bg-surface);
  transition: border-color 0.3s;
}

.form-checkbox:hover {
  border-color: var(--border-hover);
}

.form-checkbox input {
  display: none;
}

.form-checkbox__mark {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 1px solid var(--text-muted);
  border-radius: 2px;
  position: relative;
  margin-top: 2px;
  transition: all 0.3s;
}

.form-checkbox input:checked ~ .form-checkbox__mark {
  background-color: var(--accent);
  border-color: var(--accent);
}

.form-checkbox input:checked ~ .form-checkbox__mark::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid var(--bg);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-checkbox__text {
  font-size: 0.78rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer__name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer__socials {
  display: flex;
  gap: 1rem;
}

.footer__social {
  color: var(--text-muted);
  transition: color 0.3s;
  display: flex;
  align-items: center;
}

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

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Staggered reveals */
.about__stats .stat:nth-child(1) { transition-delay: 0s; }
.about__stats .stat:nth-child(2) { transition-delay: 0.1s; }
.about__stats .stat:nth-child(3) { transition-delay: 0.2s; }
.about__stats .stat:nth-child(4) { transition-delay: 0.3s; }
.about__stats .stat:nth-child(5) { transition-delay: 0.4s; }

.contact__cards .contact__card:nth-child(1) { transition-delay: 0s; }
.contact__cards .contact__card:nth-child(2) { transition-delay: 0.1s; }
.contact__cards .contact__card:nth-child(3) { transition-delay: 0.2s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .work__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__burger {
    display: flex;
  }

  .hero__title {
    font-size: clamp(3rem, 15vw, 6rem);
  }

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

  .about__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

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

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

  .contact__card {
    padding: 1.5rem;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1.25rem;
  }

  .contact__card-icon {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  .nav {
    padding: 1.25rem 1.5rem;
  }

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

  .stat {
    padding: 1rem;
  }

  .stat__number {
    font-size: 2.25rem;
  }

  .work__filters {
    gap: 0.35rem;
  }

  .work__filter {
    padding: 0.5rem 0.9rem;
    font-size: 0.7rem;
  }
}