/* ============================================================
   BeKnown — Base Styles
   Reset · Variables · Typography · Utilities
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600&display=swap');

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  --navy:        #102038;
  --deep-navy:   #081830;
  --blue:        #2068D8;
  --bright-blue: #2870D8;
  --white:       #FFFFFF;
  --soft-white:  #F8F8F8;
  --gray-100:    #F2F3F5;
  --gray-300:    #C8CDD6;
  --gray-500:    #7A8499;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:   cubic-bezier(0.65, 0, 0.35, 1);

  --max-w: 1320px;
  --gutter: clamp(1.5rem, 5vw, 5rem);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--navy);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ── Typography Scale ───────────────────────────────────────── */

/* Display — editorial headlines */
.t-display-xl {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 8rem);
  font-weight: 500;
  line-height: 1.0;
  letter-spacing: -0.02em;
}

.t-display-lg {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 6rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.t-display-md {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.t-display-sm {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.75rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* Eyebrow / labels */
.t-label {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.t-label--blue {
  color: var(--blue);
}

/* Body */
.t-body-lg {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.65;
  font-weight: 300;
}

.t-body {
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  line-height: 1.7;
  font-weight: 400;
}

.t-body-sm {
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ── Color utilities ───────────────────────────────────────── */
.c-navy  { color: var(--navy); }
.c-blue  { color: var(--blue); }
.c-white { color: var(--white); }
.c-gray  { color: var(--gray-500); }

.bg-white      { background-color: var(--white); }
.bg-soft-white { background-color: var(--soft-white); }
.bg-navy       { background-color: var(--navy); }
.bg-deep-navy  { background-color: var(--deep-navy); }

/* ── Layout utilities ──────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: 820px;
}

.container--wide {
  max-width: 1480px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0 0;
  transition: gap 0.3s var(--ease-out-expo);
  position: relative;
}

.btn-arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease-out-expo);
}

.btn:hover .btn-arrow {
  transform: translate(3px, -3px);
}

/* Primary — filled */
.btn--primary {
  background-color: var(--blue);
  color: var(--white);
  padding: 1em 2em;
  letter-spacing: 0.1em;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn--primary:hover {
  background-color: var(--navy);
  transform: translateY(-1px);
}

.btn--primary:hover .btn-arrow {
  transform: translate(3px, -3px);
}

/* Ghost — outline */
.btn--ghost {
  color: var(--navy);
  padding: 0.875em 0;
  border-bottom: 1px solid currentColor;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.btn--ghost:hover {
  color: var(--blue);
}

/* White ghost for dark backgrounds */
.btn--ghost-white {
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,0.4);
  padding: 0.875em 0;
  transition: border-color 0.3s ease;
}

.btn--ghost-white:hover {
  border-bottom-color: var(--white);
}

/* ── Visibility / reveal ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.9s var(--ease-out-expo), transform 0.9s var(--ease-out-expo);
}

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

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.35s; }
.delay-4 { transition-delay: 0.5s; }
.delay-5 { transition-delay: 0.65s; }

/* ── Reduced motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal,
  .reveal-left,
  .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ── Horizontal rule ────────────────────────────────────────── */
.hr {
  border: none;
  border-top: 1px solid var(--gray-100);
  margin: 0;
}

/* ── Section spacing ─────────────────────────────────────────── */
.section-gap {
  padding-block: clamp(5rem, 10vw, 10rem);
}

.section-gap-sm {
  padding-block: clamp(3rem, 6vw, 6rem);
}