/* ==========================================================================
   Suisse Point Events – style.css
   Premium Eventagentur · Zürich
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-white: #ffffff;
  --color-black: #0a0a0a;
  --color-gray-50: #f7f7f7;
  --color-gray-100: #f0f0f0;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a3a3a3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  --color-swiss-red: #d52b1e;
  --color-swiss-red-dark: #b8241a;
  --color-swiss-red-light: #e8453a;

  /* Typography */
  --font-primary: "Manrope", system-ui, -apple-system, sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 760px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
  --duration-fast: 200ms;
  --duration-base: 350ms;
  --duration-slow: 600ms;

  /* Z-index */
  --z-header: 1000;
  --z-lightbox: 2000;
  --z-nav-mobile: 1100;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-regular);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

ul,
ol {
  list-style: none;
}

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

button {
  cursor: pointer;
}

address {
  font-style: normal;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
}

/* --------------------------------------------------------------------------
   3. Utilities
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 9999;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-swiss-red);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-sm);
  transition: top var(--duration-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --------------------------------------------------------------------------
   4. Section Shared Styles
   -------------------------------------------------------------------------- */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-swiss-red);
  margin-bottom: var(--space-sm);
}

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

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  color: var(--color-black);
}

.section-title--light {
  color: var(--color-white);
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--color-gray-500);
  max-width: 560px;
  line-height: 1.7;
}

.section-header {
  margin-bottom: var(--space-2xl);
  max-width: 640px;
}

.section-header--light .section-desc {
  color: var(--color-gray-400);
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 0.9375rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition:
    background-color var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

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

.btn--primary:hover {
  background-color: var(--color-swiss-red-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(213, 43, 30, 0.3);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn--outline:hover {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

.btn--full {
  width: 100%;
}

/* Ripple effect */
.btn--ripple .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: ripple-anim 0.6s linear;
  pointer-events: none;
}

@keyframes ripple-anim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   6. Header
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  transition:
    background-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    height var(--duration-base) var(--ease-out);
}

.header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  height: 68px;
}

.header.is-scrolled .logo__name,
.header.is-scrolled .logo__tag,
.header.is-scrolled .nav__link {
  color: var(--color-black);
}

.header.is-scrolled .logo__square {
  fill: var(--color-swiss-red);
}

.header.is-scrolled .nav-toggle__bar {
  background-color: var(--color-black);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: calc(var(--z-nav-mobile) + 1);
}

.logo__mark {
  display: flex;
  color: var(--color-swiss-red);
  flex-shrink: 0;
}

.logo__square {
  fill: currentColor;
  transition: fill var(--duration-base);
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo__name {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  letter-spacing: 0.02em;
  transition: color var(--duration-base);
}

.logo__tag {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color var(--duration-base);
}

.logo--footer .logo__name {
  color: var(--color-white);
}

.logo--footer .logo__tag {
  color: var(--color-gray-400);
}

/* Navigation */
.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  transition:
    color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

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

.header.is-scrolled .nav__link:hover {
  color: var(--color-swiss-red);
}

.nav__link--cta {
  background-color: var(--color-swiss-red);
  color: var(--color-white) !important;
  margin-left: 0.5rem;
  padding: 0.5rem 1.25rem;
}

.nav__link--cta:hover {
  background-color: var(--color-swiss-red-dark);
  color: var(--color-white) !important;
}

.nav__link.is-active:not(.nav__link--cta) {
  color: var(--color-swiss-red);
}

.header:not(.is-scrolled) .nav__link.is-active:not(.nav__link--cta) {
  color: var(--color-white);
  opacity: 1;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: calc(var(--z-nav-mobile) + 1);
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 1px;
  transition:
    transform var(--duration-base) var(--ease-out),
    opacity var(--duration-fast),
    background-color var(--duration-base);
  transform-origin: center;
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  transition: transform 8s var(--ease-out);
}

.hero.is-loaded .hero__image {
  transform: scale(1);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(10, 10, 10, 0.72) 0%,
    rgba(10, 10, 10, 0.55) 40%,
    rgba(10, 10, 10, 0.7) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
  padding-top: var(--header-height);
}

.hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-white);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: var(--space-lg);
}

.hero__title-accent {
  color: var(--color-swiss-red);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  font-weight: var(--font-weight-light);
  color: rgba(255, 255, 255, 0.7);
  max-width: 540px;
  line-height: 1.75;
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--duration-fast);
}

.scroll-indicator:hover {
  color: var(--color-white);
}

.scroll-indicator__label {
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: var(--font-weight-medium);
}

.scroll-indicator__line {
  width: 1px;
  height: 40px;
  background: currentColor;
  animation: scroll-pulse 2s var(--ease-in-out) infinite;
  transform-origin: top;
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); opacity: 0.5; }
  50% { transform: scaleY(0.5); opacity: 1; }
}

/* Hero entrance animations */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUpIn 0.9s var(--ease-out) forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

@keyframes fadeUpIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   8. About
   -------------------------------------------------------------------------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about__lead {
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.about__text {
  color: var(--color-gray-500);
  margin-bottom: var(--space-md);
}

.about__content .btn {
  margin-top: var(--space-md);
}

.about__image-wrap {
  position: relative;
}

.about__image {
  width: 100%;
  height: 580px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about__badge {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  box-shadow: var(--shadow-lg);
}

.about__badge-number {
  font-size: 2.5rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-swiss-red);
  line-height: 1;
}

.about__badge-text {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------------------------------------
   9. Services
   -------------------------------------------------------------------------- */
.services {
  background-color: var(--color-gray-50);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--color-white);
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-200);
}

.service-card__icon {
  color: var(--color-swiss-red);
  margin-bottom: var(--space-md);
  transition: transform var(--duration-base) var(--ease-out);
}

.service-card:hover .service-card__icon {
  transform: scale(1.08);
}

.service-card__title {
  font-size: 1.0625rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.service-card__text {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   10. Why Section
   -------------------------------------------------------------------------- */
.why {
  background-color: var(--color-black);
  padding: var(--space-4xl) 0;
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.why-card {
  position: relative;
  padding: var(--space-xl) var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out);
}

.why-card:hover {
  border-color: rgba(213, 43, 30, 0.4);
  background-color: rgba(255, 255, 255, 0.03);
}

.why-card__number {
  font-size: 3rem;
  font-weight: var(--font-weight-extrabold);
  color: rgba(255, 255, 255, 0.06);
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.why-card__icon {
  color: var(--color-swiss-red);
  margin-bottom: var(--space-md);
}

.why-card__title {
  font-size: 1.0625rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.why-card__text {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   11. Portfolio
   -------------------------------------------------------------------------- */
.portfolio__masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  gap: var(--space-md);
}

.portfolio__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
  grid-row: span 1;
}

.portfolio__item--tall {
  grid-row: span 2;
}

.portfolio__item--wide {
  grid-column: span 2;
}

.portfolio__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.portfolio__item:hover img {
  transform: scale(1.06);
}

.portfolio__caption {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.75) 0%,
    rgba(10, 10, 10, 0) 60%
  );
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.portfolio__item:hover .portfolio__caption,
.portfolio__item:focus-within .portfolio__caption {
  opacity: 1;
}

.portfolio__cat {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-swiss-red);
  margin-bottom: 0.25rem;
}

.portfolio__name {
  font-size: 1.0625rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background: rgba(10, 10, 10, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--duration-base) var(--ease-out),
    visibility var(--duration-base);
}

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

.lightbox[hidden] {
  display: none !important;
}

.lightbox:not([hidden]) {
  display: flex;
}

.lightbox__content {
  max-width: 90vw;
  max-height: 85vh;
  text-align: center;
}

.lightbox__image {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  margin: 0 auto;
}

.lightbox__caption {
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-md);
  font-size: 0.9375rem;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  color: var(--color-white);
  font-size: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color var(--duration-fast);
  z-index: 1;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.lightbox__close {
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2.5rem;
  line-height: 1;
}

.lightbox__prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
}

.lightbox__next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
}

/* --------------------------------------------------------------------------
   12. Stats
   -------------------------------------------------------------------------- */
.stats {
  background-color: var(--color-gray-50);
  padding: var(--space-3xl) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat__number {
  display: block;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-swiss-red);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-500);
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   13. Process / Timeline
   -------------------------------------------------------------------------- */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  counter-reset: step;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: var(--color-gray-200);
}

.timeline__item {
  text-align: center;
  padding: 0 var(--space-sm);
  position: relative;
}

.timeline__marker {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.timeline__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-swiss-red);
  color: var(--color-swiss-red);
  font-weight: var(--font-weight-bold);
  font-size: 1rem;
  transition:
    background-color var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out);
}

.timeline__item:hover .timeline__number {
  background: var(--color-swiss-red);
  color: var(--color-white);
}

.timeline__title {
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.timeline__text {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   14. Testimonials
   -------------------------------------------------------------------------- */
.testimonials {
  background-color: var(--color-black);
}

.testimonials__slider {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.testimonials__track {
  position: relative;
  min-height: 280px;
}

.testimonial {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateX(30px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out),
    visibility var(--duration-slow);
  text-align: center;
}

.testimonial.is-active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.testimonial__stars {
  color: var(--color-swiss-red);
  font-size: 1rem;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
}

.testimonial__quote {
  font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
  font-weight: var(--font-weight-light);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.testimonial__photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.testimonial__name {
  display: block;
  font-style: normal;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  font-size: 0.9375rem;
}

.testimonial__role {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-gray-400);
  margin-top: 0.15rem;
}

.testimonials__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.testimonials__btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    border-color var(--duration-fast),
    background-color var(--duration-fast);
}

.testimonials__btn:hover {
  border-color: var(--color-swiss-red);
  background-color: var(--color-swiss-red);
}

.testimonials__dots {
  display: flex;
  gap: 0.5rem;
}

.testimonials__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transition:
    background-color var(--duration-fast),
    transform var(--duration-fast);
}

.testimonials__dot.is-active {
  background: var(--color-swiss-red);
  transform: scale(1.25);
}

/* --------------------------------------------------------------------------
   15. Clients Carousel
   -------------------------------------------------------------------------- */
.clients {
  padding-bottom: var(--space-3xl);
  overflow: hidden;
}

.clients .section-header {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.clients__carousel {
  overflow: hidden;
  mask-image: linear-gradient(
    to right,
    transparent,
    black 10%,
    black 90%,
    transparent
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent,
    black 10%,
    black 90%,
    transparent
  );
}

.clients__track {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
  width: max-content;
  animation: clients-scroll 30s linear infinite;
}

.clients__track:hover {
  animation-play-state: paused;
}

.clients__logo {
  flex-shrink: 0;
  opacity: 0.4;
  transition: opacity var(--duration-base);
  filter: grayscale(100%);
}

.clients__logo:hover {
  opacity: 0.8;
}

.clients__logo img {
  height: 40px;
  width: auto;
}

@keyframes clients-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* --------------------------------------------------------------------------
   16. FAQ Accordion
   -------------------------------------------------------------------------- */
.faq {
  background-color: var(--color-gray-50);
}

.accordion__item {
  border-bottom: 1px solid var(--color-gray-200);
}

.accordion__item:first-child {
  border-top: 1px solid var(--color-gray-200);
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) 0;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
  gap: var(--space-md);
  transition: color var(--duration-fast);
}

.accordion__trigger:hover {
  color: var(--color-swiss-red);
}

.accordion__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--color-gray-400);
  transition: transform var(--duration-base) var(--ease-out),
              background-color var(--duration-fast);
}

.accordion__icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1.5px;
  transform: translateY(-50%);
}

.accordion__icon::after {
  top: 0;
  left: 50%;
  width: 1.5px;
  height: 100%;
  transform: translateX(-50%);
}

.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.accordion__trigger[aria-expanded="true"] .accordion__icon::before,
.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  background: var(--color-swiss-red);
}

.accordion__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.accordion__panel:not([hidden]) {
  max-height: 300px;
}

.accordion__panel[hidden] {
  display: block;
  max-height: 0;
}

.accordion__panel p {
  padding: 0 0 var(--space-lg);
  color: var(--color-gray-500);
  font-size: 0.9375rem;
  line-height: 1.75;
  max-width: 640px;
}

/* --------------------------------------------------------------------------
   17. Contact
   -------------------------------------------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact__lead {
  color: var(--color-gray-500);
  margin-bottom: var(--space-xl);
  font-size: 1.0625rem;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact__detail {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact__detail-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
  color: var(--color-swiss-red);
}

.contact__detail strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-gray-400);
  margin-bottom: 0.25rem;
}

.contact__detail a {
  color: var(--color-gray-800);
}

.contact__detail a:hover {
  color: var(--color-swiss-red);
}

.contact__detail address {
  color: var(--color-gray-800);
  line-height: 1.6;
}

/* Form */
.contact__form {
  background: var(--color-gray-50);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

.form-label span {
  color: var(--color-swiss-red);
}

.form-input {
  display: block;
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  color: var(--color-gray-800);
  transition:
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input:focus {
  border-color: var(--color-swiss-red);
  box-shadow: 0 0 0 3px rgba(213, 43, 30, 0.1);
}

.form-input.is-invalid {
  border-color: var(--color-swiss-red);
}

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

.form-error {
  display: block;
  font-size: 0.75rem;
  color: var(--color-swiss-red);
  margin-top: 0.3rem;
  min-height: 1.1em;
}

.form-success {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: rgba(34, 160, 80, 0.08);
  border: 1px solid rgba(34, 160, 80, 0.25);
  border-radius: var(--radius-sm);
  color: #1a7a3a;
  font-size: 0.9375rem;
  text-align: center;
}

.form-success[hidden] {
  display: none;
}

/* --------------------------------------------------------------------------
   18. Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-black);
  color: var(--color-gray-400);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__tagline {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--space-lg);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  color: var(--color-gray-400);
  transition:
    border-color var(--duration-fast),
    color var(--duration-fast),
    background-color var(--duration-fast);
}

.footer__social-link:hover {
  border-color: var(--color-swiss-red);
  color: var(--color-white);
  background-color: var(--color-swiss-red);
}

.footer__heading {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  transition: color var(--duration-fast);
}

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

.footer__links--contact li {
  font-size: 0.875rem;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__copy {
  font-size: 0.8125rem;
}

.footer__legal {
  display: flex;
  gap: var(--space-lg);
}

.footer__legal a {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

.footer__legal a:hover {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   19. Scroll Animations (Intersection Observer)
   -------------------------------------------------------------------------- */
[data-animate] {
  opacity: 0;
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

[data-animate="fade-up"] {
  transform: translateY(40px);
}

[data-animate="fade-left"] {
  transform: translateX(40px);
}

[data-animate="fade-right"] {
  transform: translateX(-40px);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }

/* Parallax helper */
[data-parallax] {
  will-change: transform;
}

/* --------------------------------------------------------------------------
   20. Responsive – Laptop
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .portfolio__masonry {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 200px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

/* --------------------------------------------------------------------------
   21. Responsive – Tablet
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  :root {
    --header-height: 68px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: 0;
    z-index: var(--z-nav-mobile);
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition:
      opacity var(--duration-base) var(--ease-out),
      visibility var(--duration-base);
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .nav__link {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
  }

  .nav__link--cta {
    margin-left: 0;
    margin-top: var(--space-sm);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about__visual {
    order: -1;
  }

  .about__image {
    height: 400px;
  }

  .about__badge {
    left: 1rem;
    bottom: -1rem;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .timeline::before {
    top: 0;
    bottom: 0;
    left: 24px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .timeline__item {
    text-align: left;
    padding-left: 4rem;
    padding-right: 0;
  }

  .timeline__marker {
    position: absolute;
    left: 0;
    top: 0;
    margin-bottom: 0;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .section {
    padding: var(--space-3xl) 0;
  }
}

/* --------------------------------------------------------------------------
   22. Responsive – Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero {
    min-height: 100svh;
  }

  .hero__title {
    font-size: clamp(2rem, 9vw, 2.75rem);
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
    text-align: center;
  }

  .scroll-indicator {
    display: none;
  }

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

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

  .portfolio__masonry {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }

  .portfolio__item--tall,
  .portfolio__item--wide {
    grid-row: span 1;
    grid-column: span 1;
  }

  .stats__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

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

  .contact__form {
    padding: var(--space-lg);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  .lightbox__prev,
  .lightbox__next {
    width: 36px;
    height: 36px;
    font-size: 1.5rem;
  }

  .lightbox__prev { left: 0.5rem; }
  .lightbox__next { right: 0.5rem; }

  .about__image {
    height: 320px;
  }

  .section {
    padding: var(--space-2xl) 0;
  }
}

/* --------------------------------------------------------------------------
   23. Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
  }

  .clients__track {
    animation: none;
  }
}

/* --------------------------------------------------------------------------
   24. Print
   -------------------------------------------------------------------------- */
@media print {
  .header,
  .scroll-indicator,
  .nav-toggle,
  .lightbox {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .section {
    padding: 2rem 0;
    break-inside: avoid;
  }
}