/* ==========================================================================
   Shini Consultancy — Styles
   Design system: Dark & Modern theme
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens (Custom Properties)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg: #0a0a1a;
  --color-bg-alt: #0e0e24;
  --color-card: #12122e;
  --color-card-hover: #181842;
  --color-border: rgba(255, 255, 255, 0.06);

  --color-accent: #00d4ff;
  --color-accent-end: #0080ff;
  --color-gradient: linear-gradient(135deg, var(--color-accent), var(--color-accent-end));

  --color-text: #e8e8f0;
  --color-text-secondary: #a0a0b8;
  --color-text-muted: #6a6a82;

  --color-success: #00e676;
  --color-error: #ff5252;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.25rem;

  /* 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;

  /* Layout */
  --container-max: 75rem;
  --container-padding: 1.25rem;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
  --shadow-glow-strong: 0 0 40px rgba(0, 212, 255, 0.25);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-full: 50%;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-text);
}

ul {
  list-style: none;
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-accent);
  color: var(--color-bg);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
  color: var(--color-bg);
}

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

.section {
  padding: var(--space-4xl) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

/* Section Header */
.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.section__label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

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

.btn--primary:hover {
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-2px);
  color: #fff;
}

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

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.05);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--font-size-base);
}

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

.btn__spinner {
  display: none;
}

.btn--loading .btn__text {
  display: none;
}

.btn--loading .btn__spinner {
  display: inline-block;
}

/* --------------------------------------------------------------------------
   5. Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
}

.header--scrolled {
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

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

.header__logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

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

.header__cta {
  display: none;
}

/* Nav menu */
.nav__menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: rgba(10, 10, 26, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 5rem var(--space-xl) var(--space-xl);
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  z-index: 99;
}

.nav__menu--open {
  display: flex;
}

.nav__link {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-accent);
}

/* Hamburger */
.nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--font-size-lg);
  cursor: pointer;
  z-index: 101;
  transition: all var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   6. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--space-5xl) 0 var(--space-4xl);
}

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

.hero__orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
  opacity: 0.4;
}

.hero__orb--1 {
  width: 35rem;
  height: 35rem;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.3), transparent 70%);
  top: -10rem;
  right: -8rem;
}

.hero__orb--2 {
  width: 28rem;
  height: 28rem;
  background: radial-gradient(circle, rgba(0, 128, 255, 0.25), transparent 70%);
  bottom: -5rem;
  left: -5rem;
}

.hero__orb--3 {
  width: 18rem;
  height: 18rem;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.2), transparent 70%);
  top: 40%;
  left: 50%;
  transform: translateX(-50%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 50rem;
  margin: 0 auto;
}

.hero__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  max-width: 38rem;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

/* Stats row */
.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero__stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   7. About Section
   -------------------------------------------------------------------------- */
.about__grid {
  display: grid;
  gap: var(--space-3xl);
}

.about__narrative p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.about__narrative p:last-child {
  margin-bottom: 0;
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

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

.about__value-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.08);
  color: var(--color-accent);
  font-size: var(--font-size-lg);
}

.about__value-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.about__value-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   8. Services Section
   -------------------------------------------------------------------------- */
.services__grid {
  display: grid;
  gap: var(--space-xl);
}

.service-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--color-border);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.08);
  color: var(--color-accent);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
}

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

.service-card__desc {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
}

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

.service-card__list li {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  padding-left: var(--space-lg);
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}

/* --------------------------------------------------------------------------
   9. Why Choose Us Section
   -------------------------------------------------------------------------- */
.why__grid {
  display: grid;
  gap: var(--space-xl);
}

.why__item {
  text-align: center;
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.why__icon {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(0, 212, 255, 0.08);
  color: var(--color-accent);
  font-size: var(--font-size-xl);
  margin: 0 auto var(--space-lg);
}

.why__title {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.why__text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   10. Experience Section
   -------------------------------------------------------------------------- */
.experience__grid {
  display: grid;
  gap: var(--space-3xl);
}

.experience__narrative p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.experience__narrative p:last-child {
  margin-bottom: 0;
}

.experience__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

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

.experience__item-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.08);
  color: var(--color-accent);
  font-size: var(--font-size-lg);
}

.experience__item-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.experience__item-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   11. Contact Section
   -------------------------------------------------------------------------- */
.contact__grid {
  display: grid;
  gap: var(--space-3xl);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

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

.contact__detail-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.08);
  color: var(--color-accent);
  font-size: var(--font-size-lg);
}

.contact__detail-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.contact__detail-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.contact__detail-link:hover {
  color: var(--color-accent);
}

.contact__detail-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.contact__socials {
  display: flex;
  gap: var(--space-md);
  padding-top: var(--space-md);
}

.contact__social {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.contact__social:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.05);
}

/* Contact Form */
.contact__form {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
}

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

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.form__input {
  width: 100%;
  padding: 0.875rem var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input::placeholder {
  color: var(--color-text-muted);
}

.form__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form__input--error {
  border-color: var(--color-error);
}

.form__input--error:focus {
  box-shadow: 0 0 0 3px rgba(255, 82, 82, 0.1);
}

.form__textarea {
  resize: vertical;
  min-height: 8rem;
}

.form__error {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
  min-height: 1rem;
}

.form__status {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  text-align: center;
  display: none;
}

.form__status--success {
  display: block;
  background: rgba(0, 230, 118, 0.08);
  color: var(--color-success);
  border: 1px solid rgba(0, 230, 118, 0.2);
}

.form__status--error {
  display: block;
  background: rgba(255, 82, 82, 0.08);
  color: var(--color-error);
  border: 1px solid rgba(255, 82, 82, 0.2);
}

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4xl);
}

.footer__grid {
  display: grid;
  gap: var(--space-2xl);
}

.footer__logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  display: inline-block;
  margin-bottom: var(--space-md);
}

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

.footer__tagline {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
  max-width: 18rem;
}

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

.footer__social {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

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

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

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

.footer__link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

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

.footer__link--text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__bottom {
  margin-top: var(--space-3xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.footer__bottom-inner {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   13. Scroll Reveal Animations
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Stagger children in grids */
.reveal--visible .service-card:nth-child(1),
.reveal--visible .why__item:nth-child(1) { transition-delay: 0s; }
.reveal--visible .service-card:nth-child(2),
.reveal--visible .why__item:nth-child(2) { transition-delay: 0.1s; }
.reveal--visible .service-card:nth-child(3),
.reveal--visible .why__item:nth-child(3) { transition-delay: 0.2s; }
.reveal--visible .service-card:nth-child(4),
.reveal--visible .why__item:nth-child(4) { transition-delay: 0.3s; }
.reveal--visible .why__item:nth-child(5) { transition-delay: 0.4s; }

/* Stagger children initial state */
.reveal .service-card,
.reveal .why__item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal--visible .service-card,
.reveal--visible .why__item {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   14. Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .reveal .service-card,
  .reveal .why__item {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   15. Responsive — Tablet (≥ 40em / 640px)
   -------------------------------------------------------------------------- */
@media (min-width: 40em) {
  :root {
    --container-padding: 2rem;
  }

  .section__title {
    font-size: var(--font-size-3xl);
  }

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

  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }

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

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

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

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

  .contact__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

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

/* --------------------------------------------------------------------------
   16. Responsive — Desktop (≥ 64em / 1024px)
   -------------------------------------------------------------------------- */
@media (min-width: 64em) {
  .header__cta {
    display: inline-flex;
  }

  .nav__toggle {
    display: none;
  }

  .nav__menu {
    display: flex;
    flex-direction: row;
    position: static;
    width: auto;
    height: auto;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 0;
    gap: var(--space-xl);
  }

  .nav__link {
    font-size: var(--font-size-sm);
  }

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

  .nav__link:hover::after,
  .nav__link--active::after {
    width: 100%;
  }

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

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

/* --------------------------------------------------------------------------
   17. Responsive — Wide (≥ 80em / 1280px)
   -------------------------------------------------------------------------- */
@media (min-width: 80em) {
  .section {
    padding: var(--space-5xl) 0;
  }

  .hero__title {
    font-size: 3.75rem;
  }

  .why__grid {
    grid-template-columns: repeat(6, 1fr);
    justify-items: center;
  }

  /* 3 items in first row, each spanning 2 of 6 columns */
  .why__item:nth-child(1) { grid-column: 1 / 3; }
  .why__item:nth-child(2) { grid-column: 3 / 5; }
  .why__item:nth-child(3) { grid-column: 5 / 7; }
  /* 2 items in second row, centered across 6 columns */
  .why__item:nth-child(4) { grid-column: 2 / 4; }
  .why__item:nth-child(5) { grid-column: 4 / 6; }
}