/* ============================================================
   Cool Digital Productions — Design System
   Premium dark theme with navy blue & gold accents
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-bg-primary: #0A0E17;
  --color-bg-secondary: #111827;
  --color-bg-card: rgba(17, 24, 39, 0.7);
  --color-bg-glass: rgba(27, 42, 74, 0.25);
  --color-navy: #1B2A4A;
  --color-navy-light: #263B65;
  --color-gold: #C5A04E;
  --color-gold-light: #D4B76A;
  --color-gold-dark: #A88B3D;
  --color-white: #FFFFFF;
  --color-text-primary: #F1F5F9;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;
  --color-accent: #3B82F6;
  --color-border: rgba(197, 160, 78, 0.15);
  --color-border-hover: rgba(197, 160, 78, 0.35);

  --gradient-gold: linear-gradient(135deg, #C5A04E 0%, #D4B76A 50%, #A88B3D 100%);
  --gradient-navy: linear-gradient(135deg, #0A0E17 0%, #1B2A4A 100%);
  --gradient-hero: linear-gradient(180deg, rgba(10,14,23,0.3) 0%, rgba(10,14,23,0.7) 50%, rgba(10,14,23,0.95) 100%);
  --gradient-card: linear-gradient(145deg, rgba(27,42,74,0.4) 0%, rgba(17,24,39,0.6) 100%);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --shadow-gold: 0 4px 20px rgba(197,160,78,0.2);
  --shadow-glow: 0 0 30px rgba(197,160,78,0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', var(--font-primary);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-gold-light); }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 16px;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
}

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

/* --- Section --- */
.section {
  padding: 100px 0;
  position: relative;
}

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

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

/* --- Animated divider --- */
.divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-gold);
  margin: 16px auto 0;
  border-radius: var(--radius-full);
}

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

.nav.scrolled {
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.nav__logo img {
  height: 44px;
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.nav__logo-text small {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-gold);
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav__links a {
  display: block;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-gold);
  background: rgba(197, 160, 78, 0.08);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-bg-primary);
  background: var(--gradient-gold);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
  color: var(--color-bg-primary);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav hidden by default on all screens */
.nav__mobile {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 23, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 999;
}

.nav__mobile.open {
  opacity: 1;
  visibility: visible;
}

.nav__mobile a {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text-primary);
  padding: 12px 24px;
  transition: color var(--transition-fast);
}

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

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

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-gold);
  border-radius: 50%;
  opacity: 0;
  animation: float-particle 8s infinite;
}

@keyframes float-particle {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-10vh) scale(1); }
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 24px;
  max-width: 800px;
}

.hero__logo {
  width: 180px;
  height: auto;
  margin: 0 auto 32px;
  filter: drop-shadow(0 8px 32px rgba(197,160,78,0.3));
  animation: logo-float 4s ease-in-out infinite;
  border-radius: var(--radius-lg);
}

@keyframes logo-float {
  0%, 100% { transform: translateY(0) rotateY(0deg); }
  50% { transform: translateY(-12px) rotateY(5deg); }
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -1px;
}

.hero__title .highlight {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  font-style: italic;
  font-weight: 300;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

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

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(197,160,78,0.35);
  color: var(--color-bg-primary);
}

.btn--outline {
  color: var(--color-gold);
  background: transparent;
  border: 2px solid var(--color-gold);
}

.btn--outline:hover {
  background: rgba(197,160,78,0.1);
  transform: translateY(-2px);
  color: var(--color-gold-light);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce-down 2s ease-in-out infinite;
}

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

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about__image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.about__image-wrap img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about__image-wrap:hover img {
  transform: scale(1.03);
}

.about__text h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 24px;
}

.about__text h2 .highlight {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about__text p {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat {
  text-align: center;
  padding: 20px 12px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.stat__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 40px 28px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.service-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

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

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  background: rgba(197, 160, 78, 0.1);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
}

.service-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card__desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================================
   PORTFOLIO / GALLERY SECTION
   ============================================================ */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

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

.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,14,23,0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-item:hover img {
  transform: scale(1.08);
}

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

.portfolio-item__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  transform: translateY(10px);
  transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-item__title {
  transform: translateY(0);
}

.portfolio-item__category {
  font-size: 0.8rem;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 4px;
  transform: translateY(10px);
  transition: transform var(--transition-base) 0.05s;
}

.portfolio-item:hover .portfolio-item__category {
  transform: translateY(0);
}

/* ============================================================
   TESTIMONIALS SECTION
   ============================================================ */
.testimonials__carousel {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  backdrop-filter: blur(12px);
}

.testimonial-card__quote {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
  position: relative;
}

.testimonial-card__quote::before {
  content: '"';
  font-family: Georgia, serif;
  font-size: 4rem;
  color: var(--color-gold);
  opacity: 0.3;
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  line-height: 1;
}

.testimonial-card__stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 16px;
  color: var(--color-gold);
  font-size: 1.1rem;
}

.testimonial-card__author {
  font-weight: 700;
  color: var(--color-white);
  font-size: 1rem;
}

.testimonial-card__event {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.testimonials__dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.testimonials__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.testimonials__dot.active {
  background: var(--color-gold);
  box-shadow: 0 0 10px rgba(197,160,78,0.4);
  transform: scale(1.2);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

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

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  transition: border-color var(--transition-fast);
}

.contact-info-card:hover {
  border-color: var(--color-border-hover);
}

.contact-info-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  background: rgba(197, 160, 78, 0.1);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
}

.contact-info-card__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-info-card__value {
  color: var(--color-text-primary);
  font-weight: 500;
}

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

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 16px 20px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(197, 160, 78, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

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

.form-group select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

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

.contact__form .btn {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
}

.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  background: rgba(49, 162, 76, 0.1);
  border: 1px solid rgba(49, 162, 76, 0.3);
  border-radius: var(--radius-md);
  color: #4ade80;
}

.form-success.show { display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 24px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand p {
  color: var(--color-text-secondary);
  margin-top: 16px;
  font-size: 0.95rem;
  max-width: 350px;
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(197, 160, 78, 0.1);
  border: 1px solid var(--color-border);
  color: var(--color-gold);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--color-gold);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
}

.footer__heading {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-gold);
  margin-bottom: 20px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copyright {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer__domain {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer__domain a {
  color: var(--color-gold);
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  backdrop-filter: blur(10px);
}

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

.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.lightbox.open .lightbox__img {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255,255,255,0.2);
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 968px) {
  .nav__links,
  .nav__cta-wrap {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

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

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 640px) {
  .section { padding: 72px 0; }

  .hero__logo { width: 120px; }

  .hero__buttons { flex-direction: column; align-items: center; }

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

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

  .footer__bottom { flex-direction: column; text-align: center; }
}

/* --- Print styles for SEO / accessibility --- */
@media print {
  .nav, .hero__particles, .lightbox { display: none; }
  body { background: white; color: black; }
  .section-title { -webkit-text-fill-color: #1B2A4A; }
}