/* ═══════════════════════════════════════════════════
   INTERAXXION — Industrial Mining Corporate Design System
   ═══════════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
  /* Colors */
  --color-white: #FFFFFF;
  --color-off-white: #F8F9FA;
  --color-light-gray: #F1F3F5;
  --color-gray-100: #E9ECEF;
  --color-gray-200: #DEE2E6;
  --color-gray-300: #CED4DA;
  --color-gray-400: #ADB5BD;
  --color-gray-500: #6C757D;
  --color-gray-600: #495057;
  --color-gray-700: #343A40;
  --color-dark: #1A1A1A;
  --color-black: #0F0F0F;
  --color-accent: #D97706;
  --color-accent-hover: #B45309;
  --color-accent-light: #FEF3C7;
  --color-slate: #1E293B;
  --color-slate-light: #334155;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-hero: clamp(2.5rem, 5vw, 4.5rem);
  --font-size-subhero: clamp(1rem, 2vw, 1.25rem);
  --line-height-tight: 1.15;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  --section-padding: clamp(4rem, 8vw, 8rem);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.06), 0 4px 10px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.08), 0 8px 20px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.12);

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  --border-subtle: 1px solid rgba(0, 0, 0, 0.06);
  --border-light: 1px solid var(--color-gray-200);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index scale */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-header: 50;
  --z-overlay: 60;
  --z-modal: 70;
  --z-toast: 80;

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 960px;
  --header-height: 80px;
  --header-height-shrink: 64px;
}

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

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

@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;
  }
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-black);
  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;
}

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

ul,
ol {
  list-style: none;
}

/* ─── Typography ─── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  color: var(--color-black);
}

h1 {
  font-size: var(--font-size-hero);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

.text-accent {
  color: var(--color-accent);
}

.text-white {
  color: var(--color-white);
}

.text-muted {
  color: var(--color-gray-500);
}

.label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

/* ─── Layout ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

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

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

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

.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

.section--dark p {
  color: var(--color-gray-400);
}

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

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-4xl);
}

.section-header .label {
  margin-bottom: var(--space-md);
  display: block;
}

.section-header h2 {
  margin-bottom: var(--space-lg);
}

.section-header p {
  font-size: var(--font-size-lg);
}

/* ─── Grid ─── */
.grid {
  display: grid;
  gap: var(--space-xl);
}

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

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

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {

  .grid--4,
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }
}

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
  background: transparent;
}

.header.scrolled {
  height: var(--header-height-shrink);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-white);
  transition: color var(--transition-base);
}

.header.scrolled .header__logo {
  color: var(--color-black);
}

.header__logo-icon {
  width: 36px;
  height: 36px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.header__nav a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
  position: relative;
}

.header.scrolled .header__nav a {
  color: var(--color-gray-600);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--color-white);
}

.header.scrolled .header__nav a:hover,
.header.scrolled .header__nav a.active {
  color: var(--color-black);
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

/* Header CTA button */
.header__cta {
  padding: 0.5rem 1.25rem;
  background: var(--color-accent);
  color: var(--color-white) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.header__cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.header__cta::after {
  display: none !important;
}

/* Mobile Menu Toggle */
.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  cursor: pointer;
}

.header__toggle span {
  width: 100%;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.header.scrolled .header__toggle span {
  background: var(--color-black);
}

.header__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.header__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .header__toggle {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2xl);
    background: var(--color-black);
    transition: right var(--transition-slow);
    padding: var(--space-3xl);
  }

  .header__nav.open {
    right: 0;
  }

  .header__nav a,
  .header.scrolled .header__nav a {
    color: var(--color-white);
    font-size: var(--font-size-xl);
  }

  .header__nav a:hover,
  .header.scrolled .header__nav a:hover {
    color: var(--color-accent);
  }
}

/* ─── Hero / Slider ─── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 1000px;
  overflow: hidden;
  background: var(--color-black);
}

.hero__slides {
  position: absolute;
  inset: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero__slide.active {
  opacity: 1;
}

.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(0, 0, 0, 0.4) 0%,
      rgba(0, 0, 0, 0.5) 50%,
      rgba(0, 0, 0, 0.7) 100%);
}

.hero__content {
  position: relative;
  z-index: var(--z-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--header-height);
}

.hero__label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: var(--font-size-hero);
  font-weight: 700;
  color: var(--color-white);
  max-width: 800px;
  margin-bottom: var(--space-xl);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--font-size-subhero);
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin-bottom: var(--space-2xl);
  line-height: var(--line-height-relaxed);
}

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

/* Slider Dots */
.hero__dots {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-base);
  display: flex;
  gap: var(--space-sm);
}

.hero__dot {
  width: 40px;
  height: 3px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.hero__dot.active {
  background: var(--color-accent);
  width: 60px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(217, 119, 6, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
}

.btn--dark {
  background: var(--color-black);
  color: var(--color-white);
  border: 2px solid var(--color-black);
}

.btn--dark:hover {
  background: var(--color-slate);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--icon {
  width: 20px;
  height: 20px;
}

/* ─── Cards ─── */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: var(--border-subtle);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-light-gray);
}

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

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

.card__body {
  padding: var(--space-xl);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-black);
}

.card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
}

/* Large service card variant */
.card--large .card__image {
  aspect-ratio: 16 / 9;
}

.card--large .card__body {
  padding: var(--space-2xl);
}

.card--large .card__title {
  font-size: var(--font-size-xl);
}

/* Value card variant */
.card--value {
  text-align: center;
  padding: var(--space-2xl);
  border: var(--border-light);
}

.card--value:hover {
  border-color: var(--color-accent);
}

.card--value .card__icon {
  margin: 0 auto var(--space-lg);
}

/* ─── Clients / Logo Grid ─── */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-xl);
  align-items: center;
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  filter: grayscale(100%) opacity(0.4);
  transition: all var(--transition-base);
}

.client-logo:hover {
  filter: grayscale(0%) opacity(1);
}

.client-logo img {
  max-height: 40px;
  width: auto;
}

/* ─── About / Split Layout ─── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse>* {
  direction: ltr;
}

.split__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-light-gray);
}

.split__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

@media (max-width: 768px) {

  .split,
  .split--reverse {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    direction: ltr;
  }
}

/* ─── Stats ─── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stat__number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.03em;
}

.stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-xs);
}

@media (max-width: 768px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ─── Contact Form ─── */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem var(--space-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--color-black);
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* ─── Footer ─── */
.footer {
  background: var(--color-black);
  color: var(--color-gray-400);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__brand-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer__brand p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
}

.footer h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

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

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ─── WhatsApp Button ─── */
.whatsapp-btn {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: var(--z-sticky);
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  cursor: pointer;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
  width: 28px;
  height: 28px;
  fill: var(--color-white);
}

/* ─── Scroll Reveal Animations ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  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;
}

.reveal-delay-5 {
  transition-delay: 0.5s;
}

.reveal-delay-6 {
  transition-delay: 0.6s;
}

/* Fade from left */
.reveal--left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--left.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Scale up */
.reveal--scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* ─── Page Banner (inner pages) ─── */
.page-banner {
  position: relative;
  height: 50vh;
  min-height: 400px;
  max-height: 500px;
  background: var(--color-black);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.page-banner__bg {
  position: absolute;
  inset: 0;
}

.page-banner__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-banner__content {
  position: relative;
  z-index: var(--z-base);
  padding-top: var(--header-height);
}

.page-banner .label {
  margin-bottom: var(--space-md);
  display: block;
}

.page-banner h1 {
  color: var(--color-white);
  max-width: 600px;
  margin-bottom: var(--space-md);
}

.page-banner p {
  color: var(--color-gray-400);
  max-width: 500px;
  font-size: var(--font-size-lg);
}

/* ─── Contact Info Cards ─── */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.contact-item__icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-md);
}

.contact-item__icon svg {
  width: 20px;
  height: 20px;
}

.contact-item h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* ─── Service Grid (Komatsu-style) ─── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

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

@media (max-width: 640px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}

/* Service Card — grid item */
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

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

.service-card__hero {
  position: relative;
  height: 220px;
  overflow: hidden;
}

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

.service-card:hover .service-card__hero img {
  transform: scale(1.06);
}

.service-card__hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(transparent, rgba(15, 23, 42, 0.85));
  color: #fff;
}

.service-card__hero-overlay .label {
  margin-bottom: var(--space-xs);
  font-size: 0.65rem;
}

.service-card__hero-overlay h3 {
  font-size: var(--font-size-lg);
  line-height: 1.3;
  margin: 0;
}

.service-card__body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__body p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.service-card__features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.service-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-gray-600);
  font-weight: 500;
}

.service-card__features li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Photo Gallery — horizontal scroll inside expanded modal */
.service-card__gallery {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-light-gray);
  border-top: var(--border-subtle);
}

.service-card__gallery::-webkit-scrollbar {
  height: 5px;
}

.service-card__gallery::-webkit-scrollbar-track {
  background: var(--color-light-gray);
}

.service-card__gallery::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 3px;
}

.service-card__gallery-item {
  flex: 0 0 180px;
  height: 120px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  scroll-snap-align: start;
}

.service-card__gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Section header for services page */
.service-section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.service-section-header h2 {
  margin-bottom: var(--space-sm);
}

.service-section-header p {
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .service-card__hero {
    height: 180px;
  }

  .service-card__gallery-item {
    flex: 0 0 150px;
    height: 100px;
  }
}

/* ─── Clients Row ─── */
.clients-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl) var(--space-3xl);
  margin-top: var(--space-xl);
}

.clients-row__item {
  flex: 0 0 auto;
  max-width: 140px;
  opacity: 0.7;
  filter: grayscale(100%);
  transition: all var(--transition-base);
}

.clients-row__item:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: scale(1.08);
}

.clients-row__item img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

@media (max-width: 640px) {
  .clients-row__item {
    max-width: 100px;
  }

  .clients-row {
    gap: var(--space-lg) var(--space-xl);
  }
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.text-center {
  text-align: center;
}

.mt-sm {
  margin-top: var(--space-sm);
}

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

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mt-2xl {
  margin-top: var(--space-2xl);
}

.mt-3xl {
  margin-top: var(--space-3xl);
}

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

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.mb-2xl {
  margin-bottom: var(--space-2xl);
}

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

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}