/* style.css — Top Flight Consulting Design System & Components */

/* ============================================
   DESIGN TOKENS
   ============================================ */

:root {
  /* Type Scale (fluid) */
  --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);

  /* Spacing (4px base) */
  --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;

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

  /* Transitions */
  --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);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Clash Display', 'Arial Black', sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Helvetica Neue', sans-serif;
}


/* ============================================
   COLOUR SYSTEM — Dark-first brand
   ============================================ */

/* Dark mode (default for brand) */
:root,
[data-theme='dark'] {
  --color-bg: #12121e;
  --color-surface: #1a1a2e;
  --color-surface-2: #222240;
  --color-surface-offset: #16162a;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.15);
  --color-divider: rgba(255, 255, 255, 0.06);

  --color-text: #e8e6e1;
  --color-text-muted: #9b9a97;
  --color-text-faint: #5c5b58;
  --color-text-inverse: #12121e;

  --color-accent: #f0a500;
  --color-accent-hover: #fbb523;
  --color-accent-active: #d89200;
  --color-accent-subtle: rgba(240, 165, 0, 0.12);
  --color-accent-glow: rgba(240, 165, 0, 0.06);

  --color-success: #6daa45;
  --color-error: #dd6974;

  --shadow-sm: 0 1px 2px 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);
}

/* Light mode */
[data-theme='light'] {
  --color-bg: #f5f4f0;
  --color-surface: #ffffff;
  --color-surface-2: #f9f8f5;
  --color-surface-offset: #edeae5;
  --color-border: rgba(0, 0, 0, 0.1);
  --color-border-strong: rgba(0, 0, 0, 0.18);
  --color-divider: rgba(0, 0, 0, 0.06);

  --color-text: #1a1a2e;
  --color-text-muted: #5c5a55;
  --color-text-faint: #9b9a97;
  --color-text-inverse: #f5f4f0;

  --color-accent: #c98800;
  --color-accent-hover: #b37900;
  --color-accent-active: #9a6800;
  --color-accent-subtle: rgba(201, 136, 0, 0.1);
  --color-accent-glow: rgba(201, 136, 0, 0.05);

  --color-success: #437a22;
  --color-error: #a13544;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
}


/* ============================================
   GLOBAL TYPOGRAPHY
   ============================================ */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text);
}

h1 {
  font-size: var(--text-3xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-2xl);
  letter-spacing: -0.015em;
}

h3 {
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}

p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

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


/* ============================================
   LAYOUT
   ============================================ */

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

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

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-heading {
  margin-bottom: var(--space-4);
}

.section-subtext {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-10);
}


/* ============================================
   SKIP LINK
   ============================================ */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 1000;
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}


/* ============================================
   HEADER / NAV
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(18, 18, 30, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

[data-theme='light'] .site-header {
  background: rgba(245, 244, 240, 0.85);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo svg {
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.logo-text span {
  display: block;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

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

.nav-desktop a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

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

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

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-accent-subtle);
}

/* Mobile menu toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Nav */
.nav-mobile {
  position: fixed;
  left: 0;
  right: 0;
  top: 64px;
  height: calc(100dvh - 64px);
  z-index: 999;
  display: none;
  flex-direction: column;
  padding: var(--space-8) var(--space-6);
  gap: var(--space-2);
  overflow-y: auto;
  background: #12121e;
}

[data-theme='light'] .nav-mobile {
  background: #f5f4f0;
}

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

.nav-mobile a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  transition: color var(--transition-interactive);
}

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

.nav-mobile .btn-primary {
  margin-top: var(--space-6);
  text-align: center;
}


/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-accent);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition:
    background var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

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

.btn-primary:active {
  transform: translateY(0);
  background: var(--color-accent-active);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  background: transparent;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-accent);
  text-decoration: none;
  cursor: pointer;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    transform var(--transition-interactive);
}

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

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


/* ============================================
   HERO
   ============================================ */

.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero h1 {
  margin-bottom: var(--space-6);
}

.hero h1 .accent {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin-bottom: var(--space-10);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.hero-stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-accent);
  display: block;
}

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

/* Subtle background gradient */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 70%;
  height: 80%;
  background: radial-gradient(ellipse at center, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

@media (max-width: 640px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--space-6);
  }
}


/* ============================================
   SERVICES
   ============================================ */

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

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



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

.service-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card:active {
  transform: translateY(0);
}

.service-icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.service-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.service-card .service-quote {
  font-size: var(--text-xs);
  font-style: italic;
  color: var(--color-accent);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  line-height: 1.5;
}


/* ============================================
   THE PROOF
   ============================================ */

.proof {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.proof-intro {
  max-width: 60ch;
  margin-bottom: var(--space-12);
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  padding: var(--space-8);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .proof-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.proof-stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.proof-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

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

@media (min-width: 960px) {
  .proof-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.proof-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.proof-item-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  margin-top: 2px;
}

.proof-item p {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.5;
}

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

@media (min-width: 768px) {
  .proof-comparison {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

.proof-col {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.proof-col.theirs {
  background: var(--color-bg);
  opacity: 0.7;
}

.proof-col.ours {
  background: var(--color-accent-subtle);
  border-color: var(--color-accent);
}

.proof-col h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.proof-col .proof-timeline {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.proof-col .proof-cost {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.proof-col .proof-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
  font-style: italic;
}

.proof-col.theirs .proof-timeline {
  color: var(--color-text-muted);
}


/* ============================================
   ABOUT CHRIS
   ============================================ */

.about-photo-wrapper {
  max-width: 280px;
  margin-bottom: var(--space-12);
}

.about-photo {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  filter: grayscale(20%);
  transition: filter 0.4s ease;
}

.about-photo:hover {
  filter: grayscale(0%);
}

@media (min-width: 768px) {
  .about-photo-wrapper {
    max-width: 320px;
  }
}

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

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: 1fr 1fr;
  }
}

.about-text p {
  margin-bottom: var(--space-6);
  font-size: var(--text-base);
  line-height: 1.75;
}

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

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about-highlight {
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.about-highlight h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.about-highlight p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* ============================================
   AS FEATURED IN
   ============================================ */

.featured-in {
  padding-block: var(--space-12);
}

.featured-in-bar {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-10);
  background: var(--color-surface);
}

.featured-in-label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-faint);
  text-align: center;
  margin-bottom: var(--space-6);
}

.featured-in-divider {
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin: 0 auto var(--space-6);
  opacity: 0.5;
}

.featured-in-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-3) var(--space-6);
}

.featured-logo {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: color var(--transition-interactive);
}

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

.featured-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-text-faint);
  opacity: 0.4;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .featured-logo {
    font-size: var(--text-lg);
  }
  .featured-in-logos {
    gap: var(--space-3) var(--space-8);
  }
}


/* ============================================
   OUR NETWORK
   ============================================ */

.network {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

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

@media (min-width: 768px) {
  .network-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8) var(--space-12);
  }
}

.network-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-divider);
}

.network-item:last-child,
.network-item:nth-last-child(2):nth-child(odd) {
  border-bottom: none;
}

@media (min-width: 768px) {
  .network-item {
    border-bottom: none;
    padding: var(--space-6) 0;
  }
}

.network-icon {
  width: 44px;
  height: 44px;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.network-item h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.network-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 45ch;
}


/* ============================================
   HOW WE WORK
   ============================================ */

.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.process-step {
  text-align: left;
  position: relative;
}

.step-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.3;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.process-step h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.process-step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Connector lines between steps on desktop */
@media (min-width: 768px) {
  .process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 28px;
    right: calc(-1 * var(--space-4));
    width: var(--space-8);
    height: 1px;
    background: var(--color-border-strong);
  }
}


/* ============================================
   TESTIMONIALS
   ============================================ */

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

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
}

.testimonial-stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  color: var(--color-accent);
}

.testimonial-card blockquote {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex-grow: 1;
}

.testimonial-source {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.trustpilot-icon {
  width: 16px;
  height: 16px;
}


/* ============================================
   CONTACT
   ============================================ */

.contact {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.contact-info p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

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

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

.form-group input,
.form-group textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

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

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  align-self: flex-start;
}


/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  padding: var(--space-10) 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer-text {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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





/* ============================================
   ANIMATIONS (scroll-triggered fade-in)
   ============================================ */

/* JS-driven fade-in for all browsers */
.js-fade {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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


/* ============================================
   RESPONSIVE TWEAKS
   ============================================ */

@media (max-width: 767px) {
  .hero h1 {
    font-size: clamp(2rem, 1rem + 5vw, 3rem);
  }

  section {
    padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  }

  .proof-comparison {
    gap: var(--space-4);
  }

  .testimonials-grid {
    gap: var(--space-4);
  }
}

/* Centre bottom row of service cards on large screens */
@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  .services-grid .service-card:nth-child(1),
  .services-grid .service-card:nth-child(2),
  .services-grid .service-card:nth-child(3) {
    grid-column: span 2;
  }
  .services-grid .service-card:nth-child(4) {
    grid-column: 2 / span 2;
  }
  .services-grid .service-card:nth-child(5) {
    grid-column: 4 / span 2;
  }
}