/* ============================================
   ZARK - Digital Marketing Agency
   Design System: White base, Black, Gold
   Inspired by Clay.global & Cuberto.com
   ============================================ */

/* --- CSS Variables --- */
:root {
  --white: #FFFFFF;
  --off-white: #F8F7F4;
  --light-gray: #ECECEC;
  --medium-gray: #999999;
  --dark-gray: #333333;
  --black: #0A0A0A;
  --gold: #C9A55C;
  --gold-light: #E2D1A2;
  --gold-dark: #A07D3A;

  --font-heading: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;

  --container-max: 1400px;
  --section-padding: clamp(80px, 10vw, 160px);
  --header-height: 80px;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--black);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s var(--ease-out-expo);
}

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

ul, ol {
  list-style: none;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(3rem, 7vw, 7rem);
}

h2 {
  font-size: clamp(2.2rem, 5vw, 4.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h4 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

p {
  font-size: clamp(1rem, 1.2vw, 1.2rem);
  line-height: 1.7;
  color: var(--dark-gray);
}

.label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gold);
}

/* --- Layout --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}

.section {
  padding: var(--section-padding) 0;
}

.section--dark {
  background-color: var(--black);
  color: var(--white);
}

.section--dark p {
  color: var(--medium-gray);
}

.section--dark .label {
  color: var(--gold);
}

.section--cream {
  background-color: var(--off-white);
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: transform 0.4s var(--ease-out-expo), background 0.3s;
}

.header.header--hidden {
  transform: translateY(-100%);
}

.header.header--scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 42px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header__nav a {
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width 0.4s var(--ease-out-expo);
}

.header__nav a:hover::after {
  width: 100%;
}

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

.header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border: 1px solid var(--light-gray);
  border-radius: 100px;
  transition: all 0.3s var(--ease-out-expo);
}

.lang-switch:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--black);
  transition: all 0.4s var(--ease-out-expo);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: var(--white);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease-out-expo);
}

.mobile-nav.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.5s var(--ease-out-expo);
}

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

.mobile-nav.active a:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav.active a:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav.active a:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav.active a:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav.active a:nth-child(5) { transition-delay: 0.3s; }
.mobile-nav.active a:nth-child(6) { transition-delay: 0.35s; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 16px 36px;
  border-radius: 100px;
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

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

.btn--primary:hover {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(201, 165, 92, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
}

.btn--outline:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--gold {
  background: var(--gold);
  color: var(--black);
}

.btn--gold:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(201, 165, 92, 0.3);
}

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

.btn--white:hover {
  background: var(--gold);
  transform: translateY(-2px);
}

.btn--large {
  padding: 20px 48px;
  font-size: 1rem;
}

.btn__arrow {
  transition: transform 0.3s var(--ease-out-expo);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__title {
  margin-bottom: 1.5rem;
}

.hero__title .line {
  display: block;
  overflow: hidden;
}

.hero__title .line span {
  display: inline-block;
  transform: translateY(100%);
  animation: slideUp 1s var(--ease-out-expo) forwards;
}

.hero__title .line:nth-child(2) span { animation-delay: 0.1s; }
.hero__title .line:nth-child(3) span { animation-delay: 0.2s; }

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

.hero__subtitle {
  font-size: clamp(1.1rem, 1.5vw, 1.4rem);
  color: var(--dark-gray);
  max-width: 600px;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeIn 1s var(--ease-out-expo) 0.4s forwards;
}

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

.hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeIn 1s var(--ease-out-expo) 0.6s forwards;
}

/* Hero Orbs - Animated floating gradient blobs */
.hero__orbs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0;
  animation: orbFadeIn 2s var(--ease-out-expo) forwards;
}

.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201, 165, 92, 0.18) 0%, transparent 70%);
  top: -10%;
  right: -5%;
  animation-delay: 0.2s;
  animation: orbFadeIn 2s var(--ease-out-expo) 0.2s forwards, orbFloat1 12s ease-in-out infinite 2s;
}

.hero__orb--2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(201, 165, 92, 0.12) 0%, transparent 70%);
  bottom: 10%;
  right: 15%;
  animation-delay: 0.5s;
  animation: orbFadeIn 2s var(--ease-out-expo) 0.5s forwards, orbFloat2 15s ease-in-out infinite 2.5s;
}

.hero__orb--3 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(201, 165, 92, 0.1) 0%, transparent 70%);
  top: 30%;
  right: 30%;
  animation-delay: 0.8s;
  animation: orbFadeIn 2s var(--ease-out-expo) 0.8s forwards, orbFloat3 10s ease-in-out infinite 3s;
}

.hero__orb--4 {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(10, 10, 10, 0.06) 0%, transparent 70%);
  top: 60%;
  left: 50%;
  animation-delay: 1s;
  animation: orbFadeIn 2s var(--ease-out-expo) 1s forwards, orbFloat1 18s ease-in-out infinite 3s;
}

@keyframes orbFadeIn {
  to { opacity: 1; }
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-25px, 30px) scale(1.08); }
  66% { transform: translate(35px, -15px) scale(0.92); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -25px); }
}

/* Hero Grid Lines - subtle background pattern */
.hero__grid-lines {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  animation: fadeIn 2s var(--ease-out-expo) 1s forwards;
  background-image:
    linear-gradient(rgba(201, 165, 92, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 165, 92, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 70% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 70% 50%, black 0%, transparent 70%);
}

/* --- Stats Section --- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 4rem 0;
  border-top: 1px solid var(--light-gray);
  border-bottom: 1px solid var(--light-gray);
}

.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--black);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat__number .gold {
  color: var(--gold);
}

.stat__label {
  font-size: 0.9rem;
  color: var(--medium-gray);
}

.section--dark .stat__number {
  color: var(--white);
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--off-white);
  border-radius: 16px;
  padding: 3rem;
  transition: all 0.5s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: var(--black);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: background 0.4s var(--ease-out-expo);
}

.service-card:hover .service-card__icon {
  background: var(--gold);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--white);
}

.service-card__title {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.service-card__text {
  font-size: 0.95rem;
  color: var(--medium-gray);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.service-card__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--black);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s;
}

.service-card__link:hover {
  color: var(--gold);
}

.service-card__link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s var(--ease-out-expo);
}

.service-card__link:hover svg {
  transform: translateX(4px);
}

.section--dark .service-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.section--dark .service-card:hover {
  border-color: var(--gold);
  background: rgba(201, 165, 92, 0.05);
}

.section--dark .service-card__title {
  color: var(--white);
}

.section--dark .service-card__link {
  color: var(--white);
}

/* --- Traffic Sources --- */
.traffic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.traffic-item {
  background: var(--off-white);
  border-radius: 14px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.4s var(--ease-out-expo);
  border: 1px solid transparent;
}

.traffic-item:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.traffic-item__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.traffic-item__icon img,
.traffic-item__icon svg {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.traffic-item__name {
  font-size: 0.85rem;
  font-weight: 600;
}

.section--dark .traffic-item {
  background: rgba(255, 255, 255, 0.05);
}

.section--dark .traffic-item:hover {
  border-color: var(--gold);
}

/* --- Business Models --- */
.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.model-card {
  padding: 3rem;
  border-radius: 16px;
  border: 1px solid var(--light-gray);
  transition: all 0.5s var(--ease-out-expo);
  position: relative;
}

.model-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
}

.model-card__number {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 1rem;
}

.model-card__title {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.model-card__text {
  font-size: 0.95rem;
  color: var(--medium-gray);
  line-height: 1.7;
}

/* --- Partners / Logos --- */
.logos-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
  opacity: 0.5;
}

.logos-row img {
  height: 32px;
  width: auto;
  filter: grayscale(100%);
  transition: all 0.4s var(--ease-out-expo);
}

.logos-row img:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.section--dark .logos-row img {
  filter: grayscale(100%) brightness(2);
}

.section--dark .logos-row img:hover {
  filter: grayscale(0%) brightness(1);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  background: var(--black);
  color: var(--white);
  padding: var(--section-padding) 0;
  position: relative;
  overflow: hidden;
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--medium-gray);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.cta-section__gradient {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(201, 165, 92, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

/* --- Contact Form --- */
.form-section {
  padding: var(--section-padding) 0;
}

.contact-form {
  max-width: 700px;
  margin: 3rem auto 0;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  color: var(--dark-gray);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1.5px solid var(--light-gray);
  border-radius: 12px;
  background: var(--white);
  color: var(--black);
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 165, 92, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.section--dark .form-group input,
.section--dark .form-group textarea,
.section--dark .form-group select {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.section--dark .form-group input:focus,
.section--dark .form-group textarea:focus,
.section--dark .form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 165, 92, 0.2);
}

.section--dark .form-group label {
  color: var(--medium-gray);
}

/* --- Service Page Hero --- */
.page-hero {
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  padding: var(--section-padding) 0 4rem;
  padding-top: calc(var(--header-height) + var(--section-padding));
  position: relative;
}

.page-hero__content {
  max-width: 800px;
}

.page-hero__title {
  margin-bottom: 1.5rem;
}

.page-hero__text {
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  max-width: 600px;
}

/* --- Service Detail Content --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.service-detail__list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.service-detail__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.service-detail__item-icon {
  width: 32px;
  height: 32px;
  min-width: 32px;
  background: var(--gold);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.service-detail__item-icon svg {
  width: 16px;
  height: 16px;
  color: var(--black);
}

.service-detail__item h4 {
  margin-bottom: 0.3rem;
}

.service-detail__item p {
  font-size: 0.95rem;
}

/* --- Process / Steps --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  counter-reset: process;
}

.process-step {
  padding: 2.5rem;
  border-radius: 16px;
  background: var(--off-white);
  position: relative;
  counter-increment: process;
  transition: all 0.4s var(--ease-out-expo);
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.06);
}

.process-step::before {
  content: counter(process, decimal-leading-zero);
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1;
  display: block;
  margin-bottom: 1rem;
}

.process-step h4 {
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.95rem;
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 3rem auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--light-gray);
}

.faq-item__question {
  width: 100%;
  text-align: left;
  padding: 1.5rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: color 0.3s;
}

.faq-item__question:hover {
  color: var(--gold);
}

.faq-item__question svg {
  width: 20px;
  height: 20px;
  transition: transform 0.4s var(--ease-out-expo);
  flex-shrink: 0;
}

.faq-item.active .faq-item__question svg {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-out-expo);
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer p {
  padding-bottom: 1.5rem;
}

/* --- Footer --- */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 5rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.footer__logo img {
  height: 48px;
  width: auto;
}

.footer__brand p {
  color: var(--medium-gray);
  font-size: 0.9rem;
}

.footer__heading {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  color: var(--gold);
}

.footer__links a {
  display: block;
  color: var(--medium-gray);
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
  transition: color 0.3s;
}

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

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__bottom p {
  color: var(--medium-gray);
  font-size: 0.8rem;
}

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

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease-out-expo);
}

.footer__social a:hover {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--black);
}

.footer__social svg {
  width: 18px;
  height: 18px;
}

/* --- Animations (scroll-triggered) --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.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; }

/* --- Marquee --- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  padding: 2rem 0;
  border-top: 1px solid var(--light-gray);
  border-bottom: 1px solid var(--light-gray);
}

.marquee__inner {
  display: inline-flex;
  animation: marquee 30s linear infinite;
}

.marquee__item {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 700;
  padding: 0 2rem;
  color: var(--black);
  white-space: nowrap;
}

.marquee__item .gold {
  color: var(--gold);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.section--dark .marquee {
  border-color: rgba(255, 255, 255, 0.08);
}

.section--dark .marquee__item {
  color: rgba(255, 255, 255, 0.08);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__orb--1 { width: 300px; height: 300px; }
  .hero__orb--2 { width: 200px; height: 200px; }
  .hero__grid-lines { display: none; }

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

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

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

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

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

  .hamburger {
    display: flex;
  }

  .header__actions .btn {
    display: none;
  }

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

  .stats {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stat {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--light-gray);
  }

  .stat:last-child {
    border-bottom: none;
  }

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

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

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .traffic-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  h1 {
    font-size: clamp(2.2rem, 8vw, 3rem);
  }

  h2 {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .hero__cta {
    flex-direction: column;
  }

  .btn--large {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .traffic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Smooth cursor / selection --- */
::selection {
  background: var(--gold);
  color: var(--black);
}

/* --- Loading animation --- */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--black);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s, visibility 0.6s;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.page-loader__logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0.1em;
  animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* --- Utilities --- */
.text-gold { color: var(--gold); }
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-md { max-width: 600px; }
.max-w-lg { max-width: 800px; }