/* ============================================================
   KUEDOS — Main Stylesheet
   Sections: Reset · Tokens · Base · Layout · Nav · Hero ·
             Who We Serve · Why Kuedos · Products ·
             How It Works · Contact · Footer · Animations ·
             Responsive
   ============================================================ */

/* ────────────────────────────────────────────────
   DESIGN TOKENS
──────────────────────────────────────────────── */
:root {
  --color-primary-navy:    #0A2647;
  --color-navy-mid:        #0E3A6E;
  --color-accent-cyan:     #00D2FF;
  --color-accent-cyan-dim: rgba(0, 210, 255, 0.12);
  --color-secondary-grey:  #4A5568;
  --color-light-grey:      #CBD5E0;
  --color-bg-base:         #F8FAFC;
  --color-white:           #FFFFFF;
  --color-hero-overlay:    rgba(10, 38, 71, 0.65);

  --font-heading: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.14);

  --transition: 0.25s ease;
  --container:  1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-base);
  color: var(--color-primary-navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

address {
  font-style: normal;
}

/* ────────────────────────────────────────────────
   LAYOUT
──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: 5rem;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section__header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary-navy);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.section__header p {
  font-size: 1.1rem;
  color: var(--color-secondary-grey);
}

.section__header--light h2 { color: var(--color-white); }
.section__header--light p  { color: rgba(255,255,255,0.72); }

/* ────────────────────────────────────────────────
   BUTTONS
──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition),
              color var(--transition),
              border-color var(--transition),
              transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background-color: var(--color-accent-cyan);
  color: var(--color-primary-navy);
  border-color: var(--color-accent-cyan);
}
.btn--primary:hover {
  background-color: #00b8e0;
  border-color: #00b8e0;
  box-shadow: 0 6px 20px rgba(0,210,255,0.35);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}
.btn--outline:hover {
  background-color: rgba(255,255,255,0.12);
  border-color: var(--color-white);
}

.btn--sm {
  font-size: 0.875rem;
  padding: 0.6rem 1.25rem;
}

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

/* ────────────────────────────────────────────────
   NAVIGATION
──────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: 1.25rem;
  transition: background-color var(--transition),
              box-shadow var(--transition),
              padding var(--transition);
}

.nav.scrolled {
  background-color: var(--color-primary-navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
  padding-block: 0.85rem;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav__logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--color-white);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.nav__logo span {
  color: var(--color-accent-cyan);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background-color var(--transition);
}

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

.nav__cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-navy);
  background-color: var(--color-accent-cyan);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.nav__cta:hover {
  background-color: #00b8e0;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0,210,255,0.35);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  width: 36px;
  height: 36px;
}

.nav__hamburger span {
  display: block;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ────────────────────────────────────────────────
   HERO
──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-image: url('https://images.unsplash.com/photo-1601584115197-04ecc0da31d7?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-hero-overlay);
  background: linear-gradient(
    135deg,
    rgba(10, 38, 71, 0.85) 0%,
    rgba(10, 38, 71, 0.55) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 6rem;
  padding-bottom: 4rem;
  max-width: 760px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  margin-bottom: 1.25rem;
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background-color: var(--color-accent-cyan);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255,255,255,0.82);
  max-width: 580px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ────────────────────────────────────────────────
   HERO SIZE PILLS
──────────────────────────────────────────────── */
.hero__sizes {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero__sizes-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.hero__sizes-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero__pill {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-cyan);
  background-color: rgba(6, 20, 40, 0.55);
  border: 1.5px solid rgba(0, 210, 255, 0.4);
  border-radius: 100px;
  padding: 0.35rem 0.85rem;
  transition: background-color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.hero__pill:hover {
  background-color: rgba(0, 210, 255, 0.15);
  border-color: var(--color-accent-cyan);
}

/* ────────────────────────────────────────────────
   WHO WE SERVE
──────────────────────────────────────────────── */
.who-we-serve {
  background-color: var(--color-primary-navy);
}

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

.serve__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.875rem;
  padding: 1.75rem 1.25rem;
  background-color: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  text-align: center;
  transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
}

.serve__card:hover {
  background-color: rgba(0,210,255,0.08);
  border-color: rgba(0,210,255,0.3);
  transform: translateY(-3px);
}

.serve__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: rgba(0,210,255,0.12);
  color: var(--color-accent-cyan);
}

.serve__icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.75;
}

.serve__card p {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.01em;
}

/* ────────────────────────────────────────────────
   WHY KUEDOS
──────────────────────────────────────────────── */
.why-kuedos {
  background-color: var(--color-bg-base);
}

.why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.why__card {
  padding: 2rem;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(10,38,71,0.06);
  transition: box-shadow var(--transition), transform var(--transition);
}

.why__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.why__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-cyan-dim);
  color: var(--color-accent-cyan);
  margin-bottom: 1.25rem;
}

.why__icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 2;
}

.why__card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-navy);
  margin-bottom: 0.625rem;
}

.why__card p {
  font-size: 0.9rem;
  color: var(--color-secondary-grey);
  line-height: 1.7;
}

/* ────────────────────────────────────────────────
   PRODUCTS
──────────────────────────────────────────────── */
.products {
  background-color: var(--color-white);
}

.products__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.product__card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(10,38,71,0.07);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.product__visual {
  position: relative;
  overflow: hidden;
  min-height: 200px;
}

.product__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.product__volume {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.5vw, 1.75rem);
  font-weight: 900;
  color: var(--color-accent-cyan);
  letter-spacing: -0.02em;
  line-height: 1;
  background: rgba(10, 38, 71, 0.75);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
}

.product__body {
  padding: 1.5rem;
}

.product__body h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-navy);
  margin-bottom: 0.5rem;
}

.product__body p {
  font-size: 0.875rem;
  color: var(--color-secondary-grey);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.products__note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-secondary-grey);
  padding: 1rem 1.5rem;
  background-color: var(--color-bg-base);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent-cyan);
}

.products__note strong {
  color: var(--color-primary-navy);
}

/* ────────────────────────────────────────────────
   HOW IT WORKS
──────────────────────────────────────────────── */
.how-it-works {
  background-color: var(--color-primary-navy);
}

.steps__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.step {
  text-align: center;
  padding: 2rem 1.5rem;
  background-color: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  position: relative;
}

.step__number {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-accent-cyan);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.step__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: rgba(0,210,255,0.12);
  color: var(--color-accent-cyan);
  margin: 0 auto 1.25rem;
}

.step__icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.75;
}

.step h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.625rem;
}

.step p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.68);
  line-height: 1.7;
}

.step__connector {
  display: none;
  align-items: center;
  justify-content: center;
}

/* ────────────────────────────────────────────────
   CONTACT
──────────────────────────────────────────────── */
.contact {
  background-color: var(--color-bg-base);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

/* Form */
.contact__form-wrap {
  position: relative;
}

.contact__form {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(10,38,71,0.06);
}

.form__row { display: grid; gap: 1.25rem; align-items: start; }
.form__row--two { grid-template-columns: 1fr; }
.form__row + .form__row,
.form__row + .form__group,
.form__group + .form__group,
.form__group + .form__row { margin-top: 1.25rem; }
.form__row > .form__group { margin-top: 0; }

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-navy);
}

.form__group label span {
  color: var(--color-accent-cyan);
}

.form__group input,
.form__group select,
.form__group textarea {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-primary-navy);
  background-color: var(--color-bg-base);
  border: 1.5px solid var(--color-light-grey);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
  width: 100%;
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: var(--color-light-grey);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 0 3px rgba(0,210,255,0.15);
  background-color: var(--color-white);
}

.form__group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234A5568' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form__group textarea {
  resize: vertical;
  min-height: 110px;
}

.contact__form .btn--primary { margin-top: 1.75rem; }

#submitBtn .btn__loading { display: none; }
#submitBtn.loading .btn__text { display: none; }
#submitBtn.loading .btn__loading { display: inline; }
#submitBtn.loading { opacity: 0.75; pointer-events: none; }

/* Success state */
.form__success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  padding: 3rem 2.5rem;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0,210,255,0.2);
}

.form__success svg {
  width: 48px;
  height: 48px;
  color: var(--color-accent-cyan);
  stroke-width: 1.5;
}

.form__success h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary-navy);
}

.form__success p {
  font-size: 0.95rem;
  color: var(--color-secondary-grey);
}

/* Contact details */
.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact__details h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary-navy);
}

.contact__details > p {
  font-size: 0.95rem;
  color: var(--color-secondary-grey);
  line-height: 1.7;
}

.contact__list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.contact__list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact__list-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-cyan-dim);
  color: var(--color-accent-cyan);
  margin-top: 0.1rem;
}

.contact__list-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.contact__list li > div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.contact__list strong {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary-grey);
}

.contact__list a,
.contact__list span,
.contact__list address {
  font-size: 1rem;
  color: var(--color-primary-navy);
  font-weight: 500;
  line-height: 1.6;
}

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

/* ────────────────────────────────────────────────
   PAYMENT BADGES
──────────────────────────────────────────────── */
.payment__strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(10,38,71,0.08);
}

.payment__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-secondary-grey);
  white-space: nowrap;
}

.payment__badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.payment__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-light-grey);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary-navy);
}

.payment__badge--bacs {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: #003087;
  border-color: #003087;
}

.payment__badge--logo {
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
}

.payment__badge--logo img {
  display: block;
  height: 28px;
  width: auto;
}

/* Footer payment row */
.footer__payment {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: 1.25rem;
}

.footer__payment .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer__payment .payment__label {
  color: rgba(255,255,255,0.5);
}

.footer__payment .payment__badge {
  background-color: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.8);
}

.footer__payment .payment__badge--bacs {
  color: #7eb3ff;
  border-color: rgba(126,179,255,0.4);
}

.footer__payment .payment__badge--logo {
  background: none;
  border: none;
}


/* ────────────────────────────────────────────────
   FOOTER
──────────────────────────────────────────────── */
.footer {
  background-color: var(--color-primary-navy);
  color: rgba(255,255,255,0.7);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.footer__brand .nav__logo {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer__brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer__links h4,
.footer__contact h4 {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer__links ul,
.footer__contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer__links a,
.footer__contact a,
.footer__contact address {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.62);
  line-height: 1.6;
  transition: color var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: 1.25rem;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

/* ────────────────────────────────────────────────
   SCROLL REVEAL ANIMATIONS
──────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children in grids */
.serve__grid .reveal:nth-child(1)  { transition-delay: 0.05s; }
.serve__grid .reveal:nth-child(2)  { transition-delay: 0.10s; }
.serve__grid .reveal:nth-child(3)  { transition-delay: 0.15s; }
.serve__grid .reveal:nth-child(4)  { transition-delay: 0.20s; }
.serve__grid .reveal:nth-child(5)  { transition-delay: 0.25s; }
.serve__grid .reveal:nth-child(6)  { transition-delay: 0.30s; }

.why__grid .reveal:nth-child(1)    { transition-delay: 0.05s; }
.why__grid .reveal:nth-child(2)    { transition-delay: 0.12s; }
.why__grid .reveal:nth-child(3)    { transition-delay: 0.19s; }
.why__grid .reveal:nth-child(4)    { transition-delay: 0.26s; }

.products__grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.products__grid .reveal:nth-child(2) { transition-delay: 0.12s; }
.products__grid .reveal:nth-child(3) { transition-delay: 0.19s; }
.products__grid .reveal:nth-child(4) { transition-delay: 0.26s; }

/* ────────────────────────────────────────────────
   RESPONSIVE — TABLET (640px+)
──────────────────────────────────────────────── */
@media (min-width: 640px) {
  .serve__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .form__row--two {
    grid-template-columns: 1fr 1fr;
  }

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

  .steps__grid {
    grid-template-columns: 1fr auto 1fr auto 1fr;
  }

  .step__connector {
    display: flex;
    color: rgba(0,210,255,0.3);
    flex-shrink: 0;
  }

  .step__connector::before {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, rgba(0,210,255,0.2), rgba(0,210,255,0.5), rgba(0,210,255,0.2));
    border-radius: 2px;
  }
}

/* ────────────────────────────────────────────────
   RESPONSIVE — DESKTOP (1024px+)
──────────────────────────────────────────────── */
@media (min-width: 1024px) {
  .nav__hamburger {
    display: none;
  }

  .nav__links {
    display: flex !important;
    position: static;
    background: none;
    padding: 0;
    box-shadow: none;
    flex-direction: row;
    gap: 0.25rem;
  }

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

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

  .contact__inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
    gap: 4rem;
  }

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

/* ────────────────────────────────────────────────
   MOBILE MENU
──────────────────────────────────────────────── */
@media (max-width: 1023px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary-navy);
    flex-direction: column;
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.25rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__link {
    padding: 0.75rem 1rem;
    width: 100%;
    border-radius: var(--radius-sm);
  }

  .nav__cta {
    margin-top: 0.5rem;
    text-align: center;
    padding: 0.75rem 1.25rem;
    display: block;
  }

  /* Reduce hero attachment on mobile for performance */
  .hero {
    background-attachment: scroll;
  }
}