/* ==========================================================================
   DocMitr — Design Tokens
   ========================================================================== */

:root,
[data-theme='light'] {
  /* Type scale — fluid clamp() */
  --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, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  /* Spacing — 4px base unit */
  --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;

  /* Surfaces */
  --color-bg: #ffffff;
  --color-surface: #f4f7fc;
  --color-surface-2: #eaf0fb;
  --color-border: rgba(15, 33, 64, 0.1);
  --color-divider: rgba(15, 33, 64, 0.07);

  /* Text */
  --color-text: #0e1b30;
  --color-text-muted: #51617d;
  --color-text-faint: #90a0ba;
  --color-text-inverse: #ffffff;

  /* Brand — deep medical blue */
  --color-primary: #1a56db;
  --color-primary-hover: #123f9e;
  --color-primary-active: #0e2f78;
  --color-primary-highlight: #dbe6fb;

  /* Action accent — vibrant blue */
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-active: #1d4ed8;

  /* Warm accent — empathy (soft mint) */
  --color-warm: #eaf8f0;
  --color-warm-border: #cdead9;
  --color-warm-text: #216245;

  /* Semantic */
  --color-success: #1e8a5f;
  --color-notification: #d64545;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Motion */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  /* Shadows — tone-matched to cool blue surfaces */
  --shadow-sm: 0 1px 2px rgba(20, 40, 80, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 40, 80, 0.08);
  --shadow-lg: 0 20px 48px rgba(20, 40, 80, 0.14);

  /* Content widths */
  --content-default: 1120px;
  --content-wide: 1280px;

  /* Fonts */
  --font-display: 'Inter', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #0a1122;
  --color-surface: #0f1a30;
  --color-surface-2: #14213c;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-divider: rgba(255, 255, 255, 0.07);

  --color-text: #e7ecf7;
  --color-text-muted: #9fadc9;
  --color-text-faint: #5d6c8a;
  --color-text-inverse: #0a1122;

  --color-primary: #5b8bef;
  --color-primary-hover: #85a9f4;
  --color-primary-active: #a7c1f7;
  --color-primary-highlight: #17274a;

  --color-accent: #5b9bff;
  --color-accent-hover: #7dadff;
  --color-accent-active: #9dc0ff;

  --color-warm: #10261c;
  --color-warm-border: #1c3b2c;
  --color-warm-text: #7fd9a8;

  --color-success: #4fbf8a;
  --color-notification: #e8706f;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0a1122;
    --color-surface: #0f1a30;
    --color-surface-2: #14213c;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-divider: rgba(255, 255, 255, 0.07);
    --color-text: #e7ecf7;
    --color-text-muted: #9fadc9;
    --color-text-faint: #5d6c8a;
    --color-text-inverse: #0a1122;
    --color-primary: #5b8bef;
    --color-primary-hover: #85a9f4;
    --color-primary-active: #a7c1f7;
    --color-primary-highlight: #17274a;
    --color-accent: #5b9bff;
    --color-accent-hover: #7dadff;
    --color-accent-active: #9dc0ff;
    --color-warm: #10261c;
    --color-warm-border: #1c3b2c;
    --color-warm-text: #7fd9a8;
  }
}

/* ==========================================================================
   Base type & layout helpers
   ========================================================================== */

body {
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--wide {
  max-width: var(--content-wide);
}

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

h1,
.h1 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
}
h2,
.h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  letter-spacing: -0.015em;
}
h3,
.h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
}
p {
  color: var(--color-text-muted);
  max-width: 62ch;
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-12);
}
.section-head p {
  margin-top: var(--space-4);
  font-size: var(--text-base);
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.btn-lg {
  padding: var(--space-5) var(--space-8);
  font-size: var(--text-base);
}
.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}
.btn-icon:hover {
  background: var(--color-surface);
  color: var(--color-primary);
}

/* Scroll reveal (opacity + clip-path only — no CLS) */
.reveal {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .reveal {
    opacity: 0;
    clip-path: inset(12% 0 0 0);
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 45%;
  }
}
@keyframes reveal-fade {
  to {
    opacity: 1;
    clip-path: inset(0 0 0 0);
  }
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 76px;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.logo svg {
  color: var(--color-primary);
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}
.logo span {
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
}
.nav__links a:hover {
  color: var(--color-primary);
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}
.nav__links a:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
.hamburger:hover {
  background: var(--color-surface);
}

.mobile-nav {
  position: fixed;
  inset: 76px 0 0 0;
  background: var(--color-bg);
  z-index: 90;
  padding: var(--space-8) var(--space-6);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 250ms var(--ease-out),
    transform 250ms var(--ease-out);
}
.mobile-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.mobile-nav__links a {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav__actions {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32)) clamp(var(--space-12), 6vw, var(--space-20));
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 78%);
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.hero__copy .eyebrow {
  margin-bottom: var(--space-5);
}
.hero h1 {
  font-size: var(--text-2xl);
  color: var(--color-text);
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero__sub {
  margin-top: var(--space-6);
  font-size: var(--text-base);
  max-width: 46ch;
}
.hero__cta {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.hero__cta-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.hero__trust {
  margin-top: var(--space-10);
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.hero__trust div {
  display: flex;
  flex-direction: column;
}
.hero__trust strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-primary);
}
.hero__trust span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.hero__visual {
  position: relative;
}
.hero__art {
  width: 100%;
  height: auto;
}
.hero__floater {
  position: absolute;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.hero__floater svg {
  width: 22px;
  height: 22px;
  color: var(--color-success);
  flex-shrink: 0;
}
.hero__floater strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
}
.hero__floater span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.hero__floater--top {
  top: 6%;
  left: -4%;
}
.hero__floater--bottom {
  bottom: 8%;
  right: -6%;
}

/* ==========================================================================
   Problems section
   ========================================================================== */

.problems {
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}
.problems .section-head p {
  margin-top: var(--space-3);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.problem-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition:
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive),
    border-color var(--transition-interactive);
}
.problem-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: color-mix(in oklab, var(--color-primary) 30%, var(--color-border));
}
.problem-card__icon {
  width: 30px;
  height: 30px;
  color: var(--color-primary);
}
.problem-card__stat {
  display: inline-flex;
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-notification);
  background: color-mix(in oklab, var(--color-notification) 10%, transparent);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.problem-card h3 {
  font-size: var(--text-base);
  line-height: 1.35;
}
.problem-card p {
  font-size: var(--text-sm);
  margin: 0;
}
.problem-card__solution {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.problem-card__solution span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.see-solution {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
}
.see-solution svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-interactive);
}
.see-solution:hover svg {
  transform: translateX(3px);
}

/* ==========================================================================
   About section
   ========================================================================== */

.about__grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: var(--space-16);
  align-items: center;
}
.about__art {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
}
.about__stats {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.about__stat {
  border-left: none;
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-primary-highlight);
}
.about__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
}
.about__stat span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.about p + p {
  margin-top: var(--space-4);
}

/* ==========================================================================
   Services
   ========================================================================== */

.services {
  background: var(--color-surface);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  transition:
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.service-card__num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}
.service-card svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  margin-block: var(--space-4) var(--space-4);
}
.service-card h3 {
  margin-bottom: var(--space-2);
}
.service-card p {
  font-size: var(--text-sm);
  margin: 0;
}

/* ==========================================================================
   Why DocMitr
   ========================================================================== */

.why {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}
.why .section-head h2,
.why .section-head p {
  color: #ffffff;
}
.why .section-head p {
  color: color-mix(in oklab, #ffffff 78%, transparent);
}
.why .eyebrow {
  color: #cfe0ff;
}
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.pillar {
  background: color-mix(in oklab, #ffffff 8%, transparent);
  border: 1px solid color-mix(in oklab, #ffffff 16%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.pillar__index {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: #9dc0ff;
}
.pillar svg {
  width: 30px;
  height: 30px;
  margin-block: var(--space-4);
  color: #ffffff;
}
.pillar h3 {
  color: #ffffff;
  margin-bottom: var(--space-2);
}
.pillar p {
  color: color-mix(in oklab, #ffffff 75%, transparent);
  font-size: var(--text-sm);
  margin: 0;
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq__list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  overflow: hidden;
}
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
}
.faq-item__q svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform 250ms var(--ease-out);
}
.faq-item.is-open .faq-item__q svg {
  transform: rotate(45deg);
}
.faq-item__a {
  height: 0;
  overflow: hidden;
  transition: height 280ms var(--ease-out);
}
.faq-item__a-inner {
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact {
  background: var(--color-surface);
}
.contact__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-16);
}
.contact__info h2 {
  margin-bottom: var(--space-4);
}
.contact__list {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.contact__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.contact__list svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.contact__list strong {
  display: block;
  font-size: var(--text-sm);
}
.contact__list span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.contact__form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.field {
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}
.field input,
.field textarea {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-sm);
}
.field input:focus-visible,
.field textarea:focus-visible {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.field input:invalid,
.field textarea:invalid {
  box-shadow: none;
  border-color: var(--color-border);
}
.field.has-error input,
.field.has-error textarea {
  border-color: var(--color-notification);
}
.field__error {
  font-size: var(--text-xs);
  color: var(--color-notification);
  min-height: 1em;
}
.field-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.field-check input {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}
.field-check label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.form-success {
  display: none;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-warm);
  border: 1px solid var(--color-warm-border);
  color: var(--color-warm-text);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-top: var(--space-5);
}
.form-success.is-visible {
  display: flex;
}
.form-success svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--color-text);
}
.footer__brand svg {
  width: 26px;
  height: 26px;
  color: var(--color-primary);
}
.footer__links {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  flex-wrap: wrap;
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer__links a:hover {
  color: var(--color-primary);
}
.footer__social {
  display: flex;
  gap: var(--space-3);
}
.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.footer__social a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.footer__social svg {
  width: 18px;
  height: 18px;
}
.footer__meta {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
}

/* ==========================================================================
   WhatsApp float button
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 80;
  transition:
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
.whatsapp-float:hover {
  transform: scale(1.08);
}
.whatsapp-float svg {
  width: 30px;
  height: 30px;
}

/* ==========================================================================
   Login modal
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 17, 34, 0.55);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms var(--ease-out);
}
.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95) translateY(10px);
  transition:
    transform 280ms var(--ease-out),
    opacity 280ms var(--ease-out);
  opacity: 0;
}
.modal-backdrop.is-open .modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}
.modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}
.modal__head h3 {
  font-size: var(--text-lg);
}
.modal p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}
.modal__options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.modal__option {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: left;
  width: 100%;
}
.modal__option:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.modal__option svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.modal__option strong {
  display: block;
  font-size: var(--text-sm);
}
.modal__option span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Theme toggle
   ========================================================================== */

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface);
  color: var(--color-primary);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 960px) {
  .hero__grid,
  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .hero__visual {
    order: -1;
  }
  .hero__floater--top,
  .hero__floater--bottom {
    display: none;
  }
  .problem-grid,
  .service-grid,
  .pillars {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .nav__links {
    display: none;
  }
  .header__actions .btn-outline,
  .header__actions .btn-primary {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .problem-grid,
  .service-grid,
  .pillars,
  .about__stats,
  .form-row {
    grid-template-columns: 1fr;
  }
  section {
    padding-block: var(--space-16);
  }
  .contact__form {
    padding: var(--space-6);
  }
}