/* ============================================
   ENSEN DEVELOPMENTS — Design System
   Reference: silver-pinewood.com
   Tokens: Montserrat, warm neutrals, zero-radius
   ============================================ */

/* --- Google Fonts loaded via <link> in HTML --- */

:root {
  /* Colors — from design-tokens.json */
  --color-bg: #f0eae2;
  --color-text: #282828;
  --color-heading: #282828;
  --color-accent: #c9a07a;
  --color-accent-secondary: #998170;
  --color-border: rgba(40, 40, 40, 0.2);
  --color-surface: #ffffff;
  --color-muted: rgba(40, 40, 40, 0.5);
  --color-hover: #ba8f71;
  --color-dark: #282828;
  --color-brown: #998170;
  --color-light: #f0eae2;
  --color-white: #fff;
  --color-error: #b62f2f;

  /* Typography */
  --font-heading: 'Montserrat', Helvetica, Arial, sans-serif;
  --font-body: 'Montserrat', Helvetica, Arial, sans-serif;

  /* Spacing */
  --section-padding: clamp(60px, 8vw, 120px) 0;
  --container-max-width: 1400px;
  --grid-gap: clamp(20px, 3vw, 40px);
  --card-padding: clamp(20px, 2vw, 40px);
  --nav-height: 80px;
  --footer-padding: 60px 0;

  /* Effects */
  --border-radius: 0;
  --box-shadow: none;
  --transition: all 0.4s cubic-bezier(0.7, 0, 0.4, 1);
  --transition-fast: all 0.3s cubic-bezier(0.7, 0, 0.4, 1);
  --transition-slow: all 0.8s cubic-bezier(0.7, 0, 0.4, 1);
  --overlay: rgba(40, 40, 40, 0.4);
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(0.85rem, 1vw, 1rem);
  line-height: 1.2;
  color: var(--color-text);
  background-color: var(--color-bg);
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* --- Typography --- */
h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  text-wrap: balance;
}

h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  text-wrap: balance;
}

h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 500;
  line-height: 1.0;
  text-wrap: balance;
}

h4 {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 1.5vw, 1.4rem);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

p {
  text-wrap: pretty;
  max-width: 65ch;
}

.label {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}

.section {
  padding: var(--section-padding);
  position: relative;
  z-index: 2;
}

.section--light {
  background-color: var(--color-light);
  color: var(--color-text);
}

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

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

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

.section--brown .label {
  color: var(--color-light);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background-color: transparent;
  transition: background-color 0.8s cubic-bezier(0.7, 0, 0.4, 1);
}

.header.is-scrolled {
  background-color: var(--color-dark);
}

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

.header__logo img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 48px);
}

.header__nav a {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-white);
  position: relative;
  transition: opacity 0.5s cubic-bezier(0.7, 0, 0.4, 1);
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width 0.4s cubic-bezier(0.7, 0, 0.4, 1);
}

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

.header__nav a:hover {
  opacity: 0.7;
}

.header__cta {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-dark);
  background-color: var(--color-accent);
  padding: 12px 28px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.header__cta:hover {
  background-color: var(--color-light);
  color: var(--color-dark);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
  z-index: 110;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  position: absolute;
  left: 0;
  transition: var(--transition);
}

.mobile-toggle span:nth-child(1) { top: 0; }
.mobile-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.mobile-toggle span:nth-child(3) { bottom: 0; }

.mobile-toggle.active span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

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

.mobile-toggle.active span:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100dvh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('images/image-1.jpg');
  background-size: cover;
  background-position: center 39%;
  background-attachment: fixed;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(40, 40, 40, 0.1) 0%,
    rgba(40, 40, 40, 0.3) 50%,
    rgba(40, 40, 40, 0.5) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 clamp(20px, 4vw, 60px) clamp(40px, 6vw, 80px);
  max-width: var(--container-max-width);
  width: 100%;
  margin: 0 auto;
}

.hero__title {
  color: var(--color-white);
  margin-bottom: clamp(16px, 2vw, 24px);
}

.hero__subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(0.9rem, 1.2vw, 1.1rem);
  max-width: 540px;
  line-height: 1.5;
}

.hero__tag {
  position: absolute;
  bottom: clamp(40px, 6vw, 80px);
  right: clamp(20px, 4vw, 60px);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.hero__scroll {
  position: absolute;
  bottom: clamp(40px, 6vw, 80px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero__scroll svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-white);
  opacity: 0.6;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* --- Nav Active State --- */
.header__nav a.active::after {
  width: 100%;
}

/* --- Page Hero (non-full-bleed hero for inner pages) --- */
.page-hero {
  padding-top: calc(var(--nav-height) + clamp(60px, 8vw, 100px));
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-hero__content .label {
  display: block;
  margin-bottom: 20px;
}

.page-hero__content h1 {
  margin-bottom: clamp(20px, 2vw, 32px);
}

.page-hero__content p {
  font-size: clamp(0.9rem, 1.2vw, 1.1rem);
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 600px;
}

/* --- About Highlights List --- */
.about__highlights {
  list-style: none;
  margin: clamp(20px, 2vw, 32px) 0 clamp(24px, 2.5vw, 40px);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about__highlights li {
  padding-left: 20px;
  position: relative;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-text);
}

.about__highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 1px;
  background-color: var(--color-accent);
}

/* --- About Section --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gap);
  align-items: center;
}

.about__text {
  max-width: 560px;
}

.about__text .label {
  margin-bottom: 20px;
}

.about__text h2 {
  margin-bottom: clamp(20px, 2vw, 32px);
}

.about__text p {
  margin-bottom: 24px;
  line-height: 1.6;
  color: var(--color-muted);
}

.about__image {
  position: relative;
  overflow: hidden;
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 66%;
  aspect-ratio: 4 / 3;
  transition: transform 0.6s cubic-bezier(0.7, 0, 0.4, 1);
}

.about__image:hover img {
  transform: scale(1.05);
}

/* --- Services Section --- */
.services__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: clamp(40px, 5vw, 80px);
}

.services__header h2 {
  max-width: 600px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: rgba(240, 234, 226, 0.2);
}

.service-card {
  padding: var(--card-padding);
  background-color: var(--color-dark);
  transition: var(--transition);
}

.service-card:hover {
  background-color: #333;
}

.service-card__number {
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.service-card h3 {
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
}

.service-card p {
  color: rgba(240, 234, 226, 0.6);
  line-height: 1.6;
  font-size: 0.9rem;
}

/* --- Projects Section --- */
.projects__header {
  margin-bottom: clamp(40px, 5vw, 80px);
}

.projects__header .label {
  margin-bottom: 16px;
}

.projects__header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.project-card {
  position: relative;
  overflow: hidden;
}

.project-card__image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.7, 0, 0.4, 1);
}

.project-card:hover .project-card__image img {
  transform: scale(1.05);
}

.project-card__info {
  padding: 20px 0 0;
}

.project-card__info h3 {
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

.project-card__info p {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* --- Team Section --- */
.team__header {
  margin-bottom: clamp(40px, 5vw, 80px);
  max-width: 600px;
}

.team__header .label {
  margin-bottom: 16px;
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.team-card {
  padding: var(--card-padding);
  border: 1px solid var(--color-border);
}

.team-card h3 {
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 0.85rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.team-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-muted);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: clamp(80px, 10vw, 160px) 0;
}

.cta-section h2 {
  color: var(--color-light);
  margin-bottom: clamp(16px, 2vw, 24px);
}

.cta-section p {
  color: rgba(240, 234, 226, 0.7);
  margin: 0 auto clamp(32px, 4vw, 48px);
  max-width: 480px;
  line-height: 1.6;
}

.cta-section .btn {
  display: inline-block;
}

/* --- Buttons --- */
.btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 16px 36px;
  border: none;
  cursor: pointer;
  transition: color 0.5s cubic-bezier(0.7, 0, 0.4, 1), opacity 0.5s cubic-bezier(0.7, 0, 0.4, 1), background-color 0.5s cubic-bezier(0.7, 0, 0.4, 1);
  text-decoration: none;
  display: inline-block;
}

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

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

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

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

.btn--outline-light {
  background-color: transparent;
  color: var(--color-light);
  border: 1px solid rgba(240, 234, 226, 0.4);
}

.btn--outline-light:hover {
  background-color: var(--color-light);
  color: var(--color-dark);
}

/* --- Footer --- */
.footer {
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: var(--footer-padding);
  border-top: 1px solid rgba(240, 234, 226, 0.1);
  position: relative;
  z-index: 2;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--grid-gap);
}

.footer__brand img {
  height: 60px;
  width: auto;
  object-fit: contain;
  margin-bottom: 20px;
}

.footer__contact p {
  font-size: 0.85rem;
  color: rgba(240, 234, 226, 0.6);
  line-height: 1.8;
}

.footer__contact a {
  color: var(--color-accent);
  transition: var(--transition-fast);
}

.footer__contact a:hover {
  opacity: 0.7;
}

.footer__nav h4 {
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--color-light);
}

.footer__nav a {
  display: block;
  font-size: 0.85rem;
  color: rgba(240, 234, 226, 0.6);
  padding: 6px 0;
  transition: var(--transition-fast);
}

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

.footer__bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(240, 234, 226, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__bottom p {
  font-size: 0.75rem;
  color: rgba(240, 234, 226, 0.4);
}

.footer__badge img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s cubic-bezier(0.7, 0, 0.4, 1), transform 0.6s cubic-bezier(0.7, 0, 0.4, 1);
}

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

.reveal-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.7, 0, 0.4, 1), transform 0.6s cubic-bezier(0.7, 0, 0.4, 1);
}

.reveal-children.is-visible > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0s; }
.reveal-children.is-visible > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.1s; }
.reveal-children.is-visible > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.reveal-children.is-visible > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }

/* --- Noise Grain Overlay (ANIMATED) --- */
@keyframes noise-animation {
  0%   { transform: translate(0, 0); }
  10%  { transform: translate(-2%, -3%); }
  20%  { transform: translate(3%, 2%); }
  30%  { transform: translate(-1%, 4%); }
  40%  { transform: translate(4%, -1%); }
  50%  { transform: translate(-3%, 2%); }
  60%  { transform: translate(2%, -4%); }
  70%  { transform: translate(-4%, 1%); }
  80%  { transform: translate(1%, 3%); }
  90%  { transform: translate(-2%, -2%); }
  100% { transform: translate(0, 0); }
}

.grain::before {
  content: '';
  position: fixed;
  inset: -20%;
  width: 140%;
  height: 140%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.04;
  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;
  animation: noise-animation 0.5s steps(1) infinite;
}

/* --- Page Header (inner pages without hero) --- */
.page-header {
  padding-top: calc(var(--nav-height) + clamp(60px, 8vw, 100px));
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-header .label {
  margin-bottom: 16px;
}

.page-header h1 {
  margin-bottom: clamp(16px, 2vw, 24px);
}

.page-header__subtitle {
  font-size: clamp(0.9rem, 1.2vw, 1.1rem);
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 560px;
}

/* --- Small Projects Grid --- */
.small-projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: rgba(240, 234, 226, 0.15);
}

.small-project-card {
  padding: var(--card-padding);
  background-color: var(--color-dark);
  transition: var(--transition);
}

.small-project-card:hover {
  background-color: #333;
}

.small-project-card h3 {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
  color: var(--color-light);
}

.small-project-card__type {
  font-size: 0.85rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Extend stagger reveals to 8 children */
.reveal-children.is-visible > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.4s; }
.reveal-children.is-visible > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.5s; }
.reveal-children.is-visible > *:nth-child(7) { opacity: 1; transform: translateY(0); transition-delay: 0.6s; }
.reveal-children.is-visible > *:nth-child(8) { opacity: 1; transform: translateY(0); transition-delay: 0.7s; }

/* Active nav link */
.header__nav a.active::after {
  width: 100%;
}

/* ============================================
   CHARACTER TEXT SPLIT REVEAL
   ============================================ */
.char-split {
  display: block;
}

.char-split .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s cubic-bezier(0.7, 0, 0.4, 1),
              transform 0.4s cubic-bezier(0.7, 0, 0.4, 1);
  transition-delay: calc(var(--char-index, 0) * 0.03s);
}

.char-split.is-visible .char {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   PARALLAX IMAGE SYSTEM
   ============================================ */
.parallax-img {
  will-change: transform;
  transform: translateY(var(--parallax-y, 0px));
  transition: transform 0.05s linear;
}

.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transform: scale(var(--zoom-scale, 1));
  transform-origin: center center;
  transition: transform 0.05s linear;
  will-change: transform;
}

/* ============================================
   BUTTON CLONE HOVER EFFECT
   ============================================ */
.btn--clone {
  position: relative;
  overflow: hidden;
}

.btn--clone .btn__text {
  display: block;
  transition: transform 0.4s cubic-bezier(0.7, 0, 0.4, 1);
}

.btn--clone .btn__clone-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.7, 0, 0.4, 1);
}

.btn--clone:hover .btn__text {
  transform: translateY(-100%);
}

.btn--clone:hover .btn__clone-text {
  transform: translateY(0);
}

/* ============================================
   PRELOADER
   ============================================ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background-color: var(--color-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transition: opacity 0.6s cubic-bezier(0.7, 0, 0.4, 1),
              visibility 0.6s cubic-bezier(0.7, 0, 0.4, 1);
}

.preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  opacity: 0.9;
}

.preloader__line-track {
  width: 200px;
  height: 1px;
  background-color: rgba(240, 234, 226, 0.15);
  position: relative;
  overflow: hidden;
}

.preloader__line-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0%;
  background-color: var(--color-accent);
  transition: width 0.8s cubic-bezier(0.7, 0, 0.4, 1);
}

/* ============================================
   LOGO SCALE ON SCROLL
   ============================================ */
.header__logo img {
  transition: height 0.5s cubic-bezier(0.7, 0, 0.4, 1),
              transform 0.5s cubic-bezier(0.7, 0, 0.4, 1);
}

.header.is-scrolled .header__logo img {
  height: 36px;
}

/* ============================================
   STICKY HERO (content scrolls over it)
   ============================================ */
.hero--sticky {
  position: sticky;
  top: 0;
  z-index: 1;
}

/* The section immediately after the hero gains z-index to slide over it */
.hero + section {
  position: relative;
  z-index: 2;
  background-color: var(--color-light);
}

/* ============================================
   SECTION STACKING / PARALLAX OUT
   ============================================ */
.section--stack {
  will-change: transform;
}

/* ============================================
   SCROLL REVEAL — extended base
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s cubic-bezier(0.7, 0, 0.4, 1),
              transform 0.8s cubic-bezier(0.7, 0, 0.4, 1);
}

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

/* ============================================
   IMAGE HOVER — SCALE + OVERLAY SLIDE-UP
   ============================================ */
.img-hover {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.img-hover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.img-hover:hover img {
  transform: scale(1.06);
}
.img-hover-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 32px 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.35) 60%, transparent 100%);
  transform: translateY(100%);
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.img-hover:hover .img-hover-overlay {
  transform: translateY(0);
}
.img-hover-overlay::before {
  content: '';
  display: block; width: 32px; height: 2px;
  background: var(--color-accent);
  margin-bottom: 12px;
  opacity: 0;
  transition: opacity 0.3s 0.15s;
}
.img-hover:hover .img-hover-overlay::before {
  opacity: 1;
}
.img-hover-title {
  font-family: var(--font-heading);
  font-size: 20px; font-weight: 500;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.35s 0.1s;
}
.img-hover:hover .img-hover-title {
  opacity: 1; transform: translateY(0);
}
.img-hover-desc {
  font-size: 13px; color: rgba(255,255,255,0.65);
  margin-top: 4px;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.35s 0.2s;
}
.img-hover:hover .img-hover-desc {
  opacity: 1; transform: translateY(0);
}
.img-hover-expand {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s;
}
.img-hover:hover .img-hover-expand {
  opacity: 1; transform: scale(1);
}
.img-hover-expand svg {
  width: 16px; height: 16px; fill: #fff;
}

/* ============================================
   TEAM CARD HOVER LIFT
   ============================================ */
.team-card {
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(40, 40, 40, 0.12);
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background-color: var(--color-accent);
  padding: clamp(48px, 6vw, 80px) 0;
}
.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  text-align: center;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.stat-item__number {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-dark);
}
.stat-item__label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(40, 40, 40, 0.65);
}

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              visibility 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.lightbox-counter {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  z-index: 9001;
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9001;
  transition: background 0.3s;
  line-height: 1;
}
.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
}
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9001;
  transition: background 0.3s;
  line-height: 1;
}
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255,255,255,0.2);
}
.lightbox-content {
  position: relative;
  z-index: 9001;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.92);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.lightbox.is-open .lightbox-content {
  transform: scale(1);
}
#lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  display: block;
}
.lightbox-caption {
  margin-top: 16px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.6);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s 0.2s, transform 0.35s 0.2s;
}
.lightbox.is-open .lightbox-caption {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 640px) {
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
    font-size: 22px;
  }
  .stats-bar__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(24px, 4vw, 40px);
  }
}

/* ============================================
   RESPONSIVE — Tablet (1024px)
   ============================================ */
@media (max-width: 1024px) {
  .header__logo img {
    height: 42px;
  }

  .header__nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-dark);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 105;
  }

  .header__nav.open {
    display: flex;
  }

  .header__nav a {
    font-size: 1.4rem;
    color: var(--color-white);
  }

  .header__cta {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

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

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

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

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

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

  .hero__tag {
    display: none;
  }

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

/* ============================================
   RESPONSIVE — Mobile (640px)
   ============================================ */
@media (max-width: 640px) {
  h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  h2 {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  .hero {
    align-items: flex-end;
  }

  .hero__bg {
    background-attachment: scroll;
  }

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

  .projects__header-flex {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

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

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

  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .services__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .small-projects__grid {
    grid-template-columns: 1fr;
  }
}