/* ============================================================
   24 Seven Agencies (24SA) — Brand Style System v2
   A house of leading creative & marketing agencies.
   Futureman · SketchDeck · Markacy

   FONTS:    Instrument Serif (headlines) + Rethink Sans (body)
   COLORS:   #FFD400 · #C0D8FF · #FF5E2E · #F3EEE7 · #000000
   TEXTURES: Dark film grain, radial light sweeps
   SHAPES:   Ellipses / ovals with thin strokes
   ============================================================ */

/* ————————————————————————————————————————————————————————————
   FONT IMPORTS
   Instrument Serif: Regular 400, Regular 400 Italic
   Rethink Sans: 400, 500, 600, 700
   ———————————————————————————————————————————————————————————— */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Rethink+Sans:ital,wght@0,400..800;1,400..800&display=swap');


/* ————————————————————————————————————————————————————————————
   1. DESIGN TOKENS
   ———————————————————————————————————————————————————————————— */

:root {

  /* — Official Brand Colors — */
  --24sa-black:            #000000;
  --24sa-off-white:        #F3EEE7;
  --futureman-yellow:      #FFD400;
  --sketchdeck-blue:       #C0D8FF;
  --markacy-orange:        #FF5E2E;

  /* — Extended Neutrals (derived from brand) — */
  --warm-dark:             #0A0908;
  --warm-surface:          #121110;
  --warm-card:             #1A1816;
  --warm-border:           rgba(243, 238, 231, 0.08);
  --warm-border-hover:     rgba(243, 238, 231, 0.15);
  --muted-text:            #8A857D;
  --muted-text-light:      #6B665E;

  /* — Semantic Aliases — */
  --color-bg-dark:         var(--24sa-black);
  --color-bg-light:        var(--24sa-off-white);
  --color-text-on-dark:    var(--24sa-off-white);
  --color-text-on-light:   var(--24sa-black);

  /* — Typography — */
  --font-serif:            'Instrument Serif', 'Georgia', serif;
  --font-sans:             'Rethink Sans', 'Helvetica Neue', 'Arial', sans-serif;

  /* — Font Weights — */
  --weight-regular:        400;
  --weight-medium:         500;
  --weight-semibold:       600;
  --weight-bold:           700;
  --weight-extrabold:      800;

  /* — Fluid Type Scale — */
  --text-xs:               clamp(0.7rem,   0.65rem + 0.2vw,  0.8rem);
  --text-sm:               clamp(0.8rem,   0.75rem + 0.25vw, 0.95rem);
  --text-base:             clamp(0.95rem,  0.88rem + 0.35vw, 1.15rem);
  --text-lg:               clamp(1.15rem,  1.05rem + 0.5vw,  1.4rem);
  --text-xl:               clamp(1.35rem,  1.2rem  + 0.7vw,  1.8rem);
  --text-2xl:              clamp(1.6rem,   1.4rem  + 1vw,    2.3rem);
  --text-3xl:              clamp(2rem,     1.7rem  + 1.5vw,  3rem);
  --text-4xl:              clamp(2.5rem,   2rem    + 2.2vw,  4rem);
  --text-5xl:              clamp(3rem,     2.4rem  + 3vw,    5rem);
  --text-display:          clamp(3.5rem,   2.8rem  + 4vw,    6.5rem);
  --text-hero:             clamp(4rem,     3rem    + 5vw,    8rem);

  /* — Line Heights — */
  --leading-none:          1;
  --leading-tight:         1.1;
  --leading-snug:          1.25;
  --leading-normal:        1.5;
  --leading-relaxed:       1.65;

  /* — Letter Spacing — */
  --tracking-tight:        -0.02em;
  --tracking-normal:       0;
  --tracking-wide:         0.04em;
  --tracking-wider:        0.08em;
  --tracking-widest:       0.16em;

  /* — Spacing — */
  --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;
  --space-40:              10rem;

  /* — Border Radius — */
  --radius-sm:             0.25rem;
  --radius-md:             0.5rem;
  --radius-lg:             0.75rem;
  --radius-xl:             1rem;
  --radius-2xl:            1.5rem;
  --radius-pill:           9999px;
  --radius-ellipse:        50%;

  /* — Shadows — */
  --shadow-sm:             0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md:             0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg:             0 8px 32px rgba(0, 0, 0, 0.28);
  --shadow-xl:             0 16px 56px rgba(0, 0, 0, 0.36);

  /* — Transitions — */
  --ease-smooth:           cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out:              cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast:         150ms;
  --duration-normal:       300ms;
  --duration-slow:         600ms;
  --duration-slower:       900ms;

  /* — Layout — */
  --container-narrow:      680px;
  --container-md:          900px;
  --container-lg:          1100px;
  --container-xl:          1280px;
  --container-2xl:         1440px;
}


/* ————————————————————————————————————————————————————————————
   2. RESET & BASE
   ———————————————————————————————————————————————————————————— */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-text-on-dark);
  background-color: var(--color-bg-dark);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-smooth);
}


/* ————————————————————————————————————————————————————————————
   3. TYPOGRAPHY
   ———————————————————————————————————————————————————————————— */

/*
   BRAND RULE:
   Headlines → Instrument Serif Regular (with Italic for emphasis/highlights)
   Body text → Rethink Sans Regular
   Labels/UI → Rethink Sans Medium-Bold, uppercase, wide tracking
*/

/* — Headings: Instrument Serif — */

h1, h2, h3, h4, h5, h6,
.heading {
  font-family: var(--font-serif);
  font-weight: var(--weight-regular);  /* Instrument Serif is used at 400 */
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: inherit;
}

h1, .h1 {
  font-size: var(--text-hero);
  line-height: var(--leading-none);
}

h2, .h2 {
  font-size: var(--text-display);
  line-height: var(--leading-tight);
}

h3, .h3 {
  font-size: var(--text-5xl);
}

h4, .h4 {
  font-size: var(--text-4xl);
}

h5, .h5 {
  font-size: var(--text-3xl);
}

h6, .h6 {
  font-size: var(--text-2xl);
}

/* — Italic Highlights (the brand signature) — */

.italic,
em,
h1 em, h2 em, h3 em, h4 em, h5 em, h6 em {
  font-style: italic;
  font-weight: var(--weight-regular);
}

/* — Serif Accent Taglines ("Experience.", "Create.", "Perform.") — */

.tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-regular);
  font-size: var(--text-4xl);
  line-height: var(--leading-tight);
}

.tagline--futureman  { color: var(--futureman-yellow); }
.tagline--sketchdeck { color: var(--sketchdeck-blue); }
.tagline--markacy    { color: var(--markacy-orange); }

/* — Body Copy: Rethink Sans — */

p {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

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

/* — Eyebrow / Overline (small label above headlines) — */

.eyebrow,
.overline {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--muted-text);
}

/* — Text Size Utilities — */

.text-xs      { font-size: var(--text-xs); }
.text-sm      { font-size: var(--text-sm); }
.text-base    { font-size: var(--text-base); }
.text-lg      { font-size: var(--text-lg); }
.text-xl      { font-size: var(--text-xl); }
.text-2xl     { font-size: var(--text-2xl); }
.text-3xl     { font-size: var(--text-3xl); }


/* ————————————————————————————————————————————————————————————
   4. GRAIN TEXTURE & ATMOSPHERIC EFFECTS
   ———————————————————————————————————————————————————————————— */

/*
   The 24SA brand uses a prominent film-grain texture on dark surfaces.
   This is NOT subtle — it's a defining visual element.
   Apply .grain to any section that needs the textured dark look.
*/

.grain {
  position: relative;
  isolation: isolate;
}

.grain::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* Ensure content sits above the grain */
.grain > * {
  position: relative;
  z-index: 2;
}

/* — Radial Light Sweep (the warm glow on dark grainy backgrounds) — */

.glow {
  position: relative;
}

.glow::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  width: 120%;
  height: 80%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse at center,
    rgba(243, 238, 231, 0.07) 0%,
    rgba(243, 238, 231, 0.03) 35%,
    transparent 65%
  );
  pointer-events: none;
  z-index: 0;
}

/* — Cool Blue Glow Variant (seen in some brand textures) — */

.glow--blue::before {
  background: radial-gradient(
    ellipse at center,
    rgba(192, 216, 255, 0.06) 0%,
    rgba(192, 216, 255, 0.02) 35%,
    transparent 65%
  );
}


/* ————————————————————————————————————————————————————————————
   5. ELLIPSE / OVAL SHAPES
   ———————————————————————————————————————————————————————————— */

/*
   The 24SA brand uses thin-stroked ellipses/ovals as a signature
   graphic element — seen in the agency logos layout with overlapping
   oval containers. These are NOT rounded rectangles.
*/

.ellipse {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--warm-border);
  border-radius: var(--radius-ellipse);
  padding: var(--space-8) var(--space-16);
  transition: border-color var(--duration-normal) var(--ease-smooth),
              background-color var(--duration-normal) var(--ease-smooth);
}

.ellipse:hover {
  border-color: var(--warm-border-hover);
}

.ellipse--filled {
  background-color: var(--24sa-black);
  border-color: rgba(243, 238, 231, 0.12);
}

/* — Overlapping Ellipse Stack (3 ovals stacked vertically, slightly overlapping) — */

.ellipse-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--space-4) * -1); /* Negative gap for overlap */
}

.ellipse-stack .ellipse {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 2.5 / 1;
}

/* — Flowing Orbit Line (the yellow curved line in the "Experience" hero) — */

.orbit-line {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.orbit-line svg {
  width: 100%;
  height: 100%;
}

.orbit-line path {
  fill: none;
  stroke: var(--futureman-yellow);
  stroke-width: 1.5;
}


/* ————————————————————————————————————————————————————————————
   6. LAYOUT
   ———————————————————————————————————————————————————————————— */

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

.container--narrow  { max-width: var(--container-narrow); }
.container--md      { max-width: var(--container-md); }
.container--wide    { max-width: var(--container-2xl); }

/* — Sections: generous vertical rhythm — */

.section {
  padding-block: var(--space-32);
}

.section--compact {
  padding-block: var(--space-20);
}

.section--hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-20) var(--space-6);
}

/* — Grid — */

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2col { grid-template-columns: repeat(2, 1fr); }
.grid--3col { grid-template-columns: repeat(3, 1fr); }
.grid--4col { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .grid--2col,
  .grid--3col,
  .grid--4col {
    grid-template-columns: 1fr;
  }
}

/* — Flex — */

.flex           { display: flex; }
.flex-col       { flex-direction: column; }
.flex-wrap      { flex-wrap: wrap; }
.items-center   { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2  { gap: var(--space-2); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }


/* ————————————————————————————————————————————————————————————
   7. THEME VARIANTS
   ———————————————————————————————————————————————————————————— */

/* Dark (default) */
.theme-dark,
[data-theme="dark"] {
  background-color: var(--24sa-black);
  color: var(--24sa-off-white);
}

/* Light / Off-White */
.theme-light,
[data-theme="light"] {
  background-color: var(--24sa-off-white);
  color: var(--24sa-black);
}

/* Futureman Yellow */
.theme-futureman,
[data-theme="futureman"] {
  background-color: var(--futureman-yellow);
  color: var(--24sa-black);
}

/* SketchDeck Blue */
.theme-sketchdeck,
[data-theme="sketchdeck"] {
  background-color: var(--sketchdeck-blue);
  color: var(--24sa-black);
}

/* Markacy Orange */
.theme-markacy,
[data-theme="markacy"] {
  background-color: var(--markacy-orange);
  color: var(--24sa-black);
}


/* ————————————————————————————————————————————————————————————
   8. COMPONENTS
   ———————————————————————————————————————————————————————————— */

/* — Card — */

.card {
  background-color: var(--warm-card);
  border: 1px solid var(--warm-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: transform var(--duration-normal) var(--ease-smooth),
              border-color var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--warm-border-hover);
  box-shadow: var(--shadow-lg);
}

.card--light {
  background-color: var(--24sa-off-white);
  color: var(--24sa-black);
  border-color: rgba(0, 0, 0, 0.06);
}

.card--yellow {
  background-color: var(--futureman-yellow);
  color: var(--24sa-black);
  border-color: transparent;
}

.card--blue {
  background-color: var(--sketchdeck-blue);
  color: var(--24sa-black);
  border-color: transparent;
}

.card--orange {
  background-color: var(--markacy-orange);
  color: var(--24sa-black);
  border-color: transparent;
}

/* — Button — */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-3) var(--space-8);
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-smooth);
  text-decoration: none;
}

.btn--primary {
  background-color: var(--24sa-off-white);
  color: var(--24sa-black);
  border-color: var(--24sa-off-white);
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--24sa-off-white);
}

.btn--outline {
  background-color: transparent;
  color: var(--24sa-off-white);
  border-color: var(--24sa-off-white);
}

.btn--outline:hover {
  background-color: var(--24sa-off-white);
  color: var(--24sa-black);
}

.btn--yellow {
  background-color: var(--futureman-yellow);
  color: var(--24sa-black);
  border-color: var(--futureman-yellow);
}

.btn--yellow:hover {
  background-color: transparent;
  color: var(--futureman-yellow);
}

.btn--orange {
  background-color: var(--markacy-orange);
  color: var(--24sa-black);
  border-color: var(--markacy-orange);
}

.btn--orange:hover {
  background-color: transparent;
  color: var(--markacy-orange);
}

/* — Navigation — */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
}

.nav__brand {
  display: flex;
  align-items: baseline;
  gap: 0;
}

/* "24|seven" in light sans, "agencies" in bold serif */
.nav__brand-prefix {
  font-family: var(--font-sans);
  font-weight: var(--weight-regular);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--24sa-off-white);
}

.nav__brand-name {
  font-family: var(--font-serif);
  font-weight: var(--weight-regular);
  font-size: var(--text-lg);
  color: var(--24sa-off-white);
  margin-left: var(--space-1);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__link {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--muted-text);
  transition: color var(--duration-fast) var(--ease-smooth);
}

.nav__link:hover {
  color: var(--24sa-off-white);
}

/* — Hero — */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-20) var(--space-6);
  position: relative;
  overflow: hidden;
}

.hero__eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--muted-text);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-hero);
  font-weight: var(--weight-regular);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tight);
  color: var(--24sa-off-white);
  max-width: 16ch;
}

.hero__subtitle {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: var(--weight-regular);
  line-height: var(--leading-relaxed);
  color: var(--muted-text);
  margin-top: var(--space-6);
  max-width: 48ch;
}

/* — Agency Badge Row — */

.agency-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .agency-row {
    grid-template-columns: 1fr;
  }
}

.agency-cell {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.agency-cell__header {
  padding: var(--space-4) var(--space-5);
}

.agency-cell__logo {
  font-family: var(--font-sans);
  font-weight: var(--weight-extrabold);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-2);
}

.agency-cell__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
}

.agency-cell__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.agency-cell__services {
  padding: var(--space-5);
  background-color: var(--24sa-black);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--24sa-off-white);
}

.agency-cell__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--muted-text);
  margin-top: var(--space-3);
}

/* — Divider — */

.divider {
  width: 100%;
  height: 1px;
  background-color: var(--warm-border);
}

.divider--orange {
  background-color: var(--markacy-orange);
  height: 2px;
}

/* — Logo Bar — */

.logo-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
  padding: var(--space-8) 0;
}

.logo-bar img,
.logo-bar svg {
  height: 24px;
  width: auto;
  opacity: 0.6;
  transition: opacity var(--duration-fast) var(--ease-smooth);
}

.logo-bar img:hover,
.logo-bar svg:hover {
  opacity: 1;
}

/* — Footer — */

.footer {
  padding: var(--space-12) var(--space-6) var(--space-8);
  text-align: center;
}

.footer__agencies {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  margin-bottom: var(--space-6);
}

.footer__agency-logo {
  font-family: var(--font-sans);
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--24sa-off-white);
  opacity: 0.7;
}

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

.footer__brand-prefix {
  font-family: var(--font-sans);
  font-weight: var(--weight-regular);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--24sa-off-white);
}

.footer__brand-name {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--24sa-off-white);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--muted-text);
}


/* ————————————————————————————————————————————————————————————
   9. UTILITY CLASSES
   ———————————————————————————————————————————————————————————— */

/* — Text Colors — */
.text-off-white  { color: var(--24sa-off-white); }
.text-black      { color: var(--24sa-black); }
.text-yellow     { color: var(--futureman-yellow); }
.text-blue       { color: var(--sketchdeck-blue); }
.text-orange     { color: var(--markacy-orange); }
.text-muted      { color: var(--muted-text); }

/* — Background Colors — */
.bg-black        { background-color: var(--24sa-black); }
.bg-off-white    { background-color: var(--24sa-off-white); }
.bg-yellow       { background-color: var(--futureman-yellow); }
.bg-blue         { background-color: var(--sketchdeck-blue); }
.bg-orange       { background-color: var(--markacy-orange); }
.bg-warm-dark    { background-color: var(--warm-dark); }
.bg-warm-surface { background-color: var(--warm-surface); }

/* — Font Families — */
.font-serif      { font-family: var(--font-serif); }
.font-sans       { font-family: var(--font-sans); }

/* — Font Styles — */
.italic          { font-style: italic; }
.uppercase       { text-transform: uppercase; }
.tracking-wide   { letter-spacing: var(--tracking-wide); }
.tracking-wider  { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

/* — Text Alignment — */
.text-center     { text-align: center; }
.text-left       { text-align: left; }
.text-right      { text-align: right; }

/* — Spacing — */
.mt-4   { margin-top: var(--space-4); }
.mt-6   { margin-top: var(--space-6); }
.mt-8   { margin-top: var(--space-8); }
.mt-12  { margin-top: var(--space-12); }
.mt-16  { margin-top: var(--space-16); }
.mt-20  { margin-top: var(--space-20); }
.mb-4   { margin-bottom: var(--space-4); }
.mb-8   { margin-bottom: var(--space-8); }
.mb-12  { margin-bottom: var(--space-12); }
.p-4    { padding: var(--space-4); }
.p-6    { padding: var(--space-6); }
.p-8    { padding: var(--space-8); }

/* — Visibility — */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}


/* ————————————————————————————————————————————————————————————
   10. SCROLL ANIMATIONS
   ———————————————————————————————————————————————————————————— */

.reveal {
  opacity: 0;
  transform: translateY(24px);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}


/* ————————————————————————————————————————————————————————————
   11. RESPONSIVE
   ———————————————————————————————————————————————————————————— */

@media (max-width: 1024px) {
  .section {
    padding-block: var(--space-24);
  }

  .hero {
    min-height: 80vh;
    padding: var(--space-16) var(--space-6);
  }
}

@media (max-width: 768px) {
  .section {
    padding-block: var(--space-16);
  }

  .hero {
    min-height: 70vh;
    padding: var(--space-12) var(--space-4);
  }

  .nav {
    flex-direction: column;
    gap: var(--space-4);
  }

  .nav__links {
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
  }

  .logo-bar {
    gap: var(--space-6);
  }

  .footer__agencies {
    flex-direction: column;
    gap: var(--space-4);
  }

  /* Reduce grain intensity on mobile for performance */
  .grain::after {
    opacity: 0.2;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-4);
  }
}