/* style.css — KL Consulting Services Design System */

/* ============================================
   Design Tokens
   ============================================ */
:root,
[data-theme='light'] {
  /* Brand Colors */
  --color-navy: #1a2740;
  --color-navy-light: #2a3a5c;
  --color-navy-soft: #3d4f73;
  --color-accent: #e85d24;
  --color-accent-hover: #d04e1c;
  --color-accent-light: #f58855;
  --color-accent-soft: #fce8d8;

  /* Surfaces — Warm Ivory */
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-surface-2: #f5f2ee;
  --color-surface-offset: #efebe6;
  --color-surface-dark: var(--color-navy);
  --color-divider: #e5e0da;
  --color-border: #d8d2cc;

  /* Text */
  --color-text: #1a2740;
  --color-text-muted: #6b7385;
  --color-text-faint: #a8aebd;
  --color-text-inverse: #faf8f5;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26, 39, 64, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 39, 64, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 39, 64, 0.12);

  /* Content Widths */
  --content-narrow: 640px;
  --content-default: 1100px;
  --content-wide: 1280px;
}

/* Dark Mode */
[data-theme='dark'] {
  --color-navy: #e8eaf0;
  --color-navy-light: #c5c9d6;
  --color-navy-soft: #9ea4b8;
  --color-accent: #f2783f;
  --color-accent-hover: #f08855;
  --color-accent-light: #f5a070;
  --color-accent-soft: #3a2418;

  --color-bg: #141822;
  --color-surface: #1c2030;
  --color-surface-2: #232839;
  --color-surface-offset: #2a3043;
  --color-surface-dark: #0f1219;
  --color-divider: #2d3346;
  --color-border: #3a4055;

  --color-text: #e8eaf0;
  --color-text-muted: #9ea4b8;
  --color-text-faint: #6b7185;
  --color-text-inverse: #141822;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* Type Scale */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6.5vw, 6rem);
}

/* Spacing */
:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-12);
  }
}

/* ============================================
   Typography Helpers
   ============================================ */
.section-label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

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

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

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

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 55ch;
  line-height: 1.7;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
}

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

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}

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

.header--scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.logo__img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
}

.nav {
  display: none;
}

@media (min-width: 1024px) {
  .nav {
    display: block;
  }
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  position: relative;
  padding: var(--space-1) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-interactive);
}

.nav__link:hover::after,
.nav__link:focus-visible::after {
  transform: scaleX(1);
}

.nav__link--cta {
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background: var(--color-accent-hover);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text);
  transition: background var(--transition-interactive);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--color-surface-2);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-interactive);
}

.menu-toggle[aria-expanded='true'] .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded='true'] .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded='true'] .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.nav--mobile {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 49;
  padding: var(--space-8) var(--space-4);
  display: none;
  flex-direction: column;
  gap: var(--space-2);
}

.nav--mobile.is-open {
  display: flex;
}

.nav--mobile .nav__link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  font-weight: 500;
  border-bottom: 1px solid var(--color-divider);
}

.nav--mobile .nav__link--cta {
  margin-top: var(--space-4);
  text-align: center;
  border-bottom: none;
}

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

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

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 39, 64, 0.85) 0%,
    rgba(26, 39, 64, 0.6) 50%,
    rgba(26, 39, 64, 0.4) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 80px;
  padding-bottom: var(--space-20);
}

.hero__eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent-light);
  margin-bottom: var(--space-5);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  max-width: 16ch;
}

.hero__title-accent {
  color: var(--color-accent-light);
  font-style: italic;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
  line-height: 1.6;
  max-width: 50ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (min-width: 768px) {
  .hero__scroll {
    display: flex;
  }
}

.hero__scroll svg {
  animation: bounce 2s ease-in-out infinite;
}

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

/* ============================================
   About
   ============================================ */
.about {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  background: var(--color-bg);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.about__image-wrap {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.about__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.about__badge {
  position: absolute;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.about__badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.about__badge-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.about__stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.about__stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.about__stat-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ============================================
   Services
   ============================================ */
.services {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  background: var(--color-surface-2);
}

.services__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.services__header .section-title,
.services__header .section-desc {
  margin-inline: auto;
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

[data-theme='dark'] .service-card__icon {
  background: var(--color-accent-soft);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.service-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   Portfolio
   ============================================ */
.portfolio {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  background: var(--color-bg);
}

.portfolio__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.portfolio__header .section-title,
.portfolio__header .section-desc {
  margin-inline: auto;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .portfolio__grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 280px 280px;
  }

  .portfolio-item--large {
    grid-column: span 2;
    grid-row: span 2;
  }

  .portfolio-item--wide {
    grid-column: span 2;
  }
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--color-surface-2);
  cursor: pointer;
}

.portfolio-item__img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item:hover .portfolio-item__img {
  transform: scale(1.06);
}

.portfolio-item__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  background: linear-gradient(transparent, rgba(26, 39, 64, 0.85));
  color: #fff;
}

.portfolio-item__category {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-light);
  font-weight: 600;
  display: block;
  margin-bottom: var(--space-1);
}

.portfolio-item__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

/* ============================================
   Approach
   ============================================ */
.approach {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  background: var(--color-navy);
}

[data-theme='dark'] .approach {
  background: var(--color-surface-dark);
}

.approach__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

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

.approach__header .section-title {
  color: #fff;
}

.approach__header .section-desc {
  color: rgba(255, 255, 255, 0.7);
  margin-inline: auto;
}

.approach__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  counter-reset: step;
}

@media (min-width: 640px) {
  .approach__steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .approach__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

.approach__step {
  position: relative;
  padding-top: var(--space-6);
  border-top: 2px solid rgba(255, 255, 255, 0.15);
}

.approach__num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-3);
}

.approach__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-3);
}

.approach__desc {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}

/* ============================================
   Contact
   ============================================ */
.contact {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  background: var(--color-bg);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (min-width: 1024px) {
  .contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.contact__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 45ch;
}

.contact__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.contact__item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  text-decoration: none;
  color: var(--color-text);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition-interactive);
}

.contact__item:not(.contact__item--nolink):hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.contact__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__detail {
  display: flex;
  flex-direction: column;
}

.contact__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact__value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.contact__person {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.contact__person-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.contact__person-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
}

.contact__person-role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Contact Form */
.contact__form-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .contact__form-wrap {
    padding: var(--space-10);
  }
}

.contact-form__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.contact-form__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-accent) 15%, transparent);
}

.form-input::placeholder {
  color: var(--color-text-faint);
}

.form-input--textarea {
  resize: vertical;
  min-height: 100px;
}

.form-input--select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%236b7385' stroke-width='2' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-success {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: color-mix(in oklab, green 15%, transparent);
  border: 1px solid green;
  border-radius: var(--radius-md);
  color: green;
  font-size: var(--text-sm);
  font-weight: 500;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-navy);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

[data-theme='dark'] .footer {
  background: var(--color-surface-dark);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-12);
  }
}

.footer__logo {
  height: 48px;
  width: auto;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

.footer__contact-name {
  font-size: var(--text-base);
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--space-2);
}

.footer__link {
  display: block;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: var(--space-2);
  transition: color var(--transition-interactive);
}

.footer__link:hover {
  color: var(--color-accent-light);
}

.footer__copyright {
  text-align: center;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  padding-top: var(--space-6);
}

/* ============================================
   WhatsApp Float
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 40;
  transition: transform var(--transition-interactive);
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float:active {
  transform: scale(0.95);
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}