/* ============================================================
   AVINASH ARORA ADVISORY — design tokens + component styles
   ============================================================ */

@import url('https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&display=swap');

:root,
[data-theme='light'] {
  /* Surfaces — warm ivory, editorial paper feel */
  --color-bg: #faf8f3;
  --color-surface: #ffffff;
  --color-surface-2: #f4f0e7;
  --color-surface-offset: #efe9dc;
  --color-divider: #e6e0d2;
  --color-border: #ded6c4;

  /* Text — deep navy-charcoal ink */
  --color-text: #1a222d;
  --color-text-muted: #5a6472;
  --color-text-faint: #99a0ab;
  --color-text-inverse: #faf8f3;

  /* Primary accent — antique brass/gold */
  --color-primary: #8a6a2c;
  --color-primary-hover: #6c521e;
  --color-primary-active: #503c15;
  --color-primary-highlight: #ece1c5;

  /* Ink accent — deep navy, used for dark surfaces/hero */
  --color-ink: #10192a;
  --color-ink-2: #16233a;

  --color-success: #437a22;
  --color-error: #a12c2c;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 80 / 0.07);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 80 / 0.09);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 80 / 0.14);

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'General Sans', 'Helvetica Neue', Arial, sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2.125rem);
  --text-2xl: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1.3rem + 3.5vw, 4.5rem);
  --text-hero: clamp(2.75rem, 1rem + 5.5vw, 6rem);

  --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;

  color-scheme: light;
}

[data-theme='dark'] {
  --color-bg: #10141b;
  --color-surface: #161b24;
  --color-surface-2: #1b212b;
  --color-surface-offset: #1e2530;
  --color-divider: #2a3140;
  --color-border: #313947;

  --color-text: #e9e6dc;
  --color-text-muted: #9aa2b0;
  --color-text-faint: #626b7a;
  --color-text-inverse: #f6f4ee;

  --color-primary: #d9ae5e;
  --color-primary-hover: #e7c580;
  --color-primary-active: #f2d69a;
  --color-primary-highlight: #33301f;

  --color-ink: #0a0e17;
  --color-ink-2: #0d1420;

  --color-success: #6daa45;
  --color-error: #d16b6b;

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

  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --color-bg: #10141b;
    --color-surface: #161b24;
    --color-surface-2: #1b212b;
    --color-surface-offset: #1e2530;
    --color-divider: #2a3140;
    --color-border: #313947;
    --color-text: #e9e6dc;
    --color-text-muted: #9aa2b0;
    --color-text-faint: #626b7a;
    --color-text-inverse: #f6f4ee;
    --color-primary: #d9ae5e;
    --color-primary-hover: #e7c580;
    --color-primary-active: #f2d69a;
    --color-primary-highlight: #33301f;
    --color-ink: #0a0e17;
    --color-ink-2: #0d1420;
    color-scheme: dark;
  }
}

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

body {
  background: var(--color-bg);
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive);
}

.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.wrap--narrow {
  max-width: var(--content-default);
}

section {
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-text);
}

.section-title {
  font-size: var(--text-xl);
  max-width: 22ch;
}

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

.section-intro {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 56ch;
  margin-top: var(--space-4);
}

/* ============================================================
   Header / nav
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: oklch(from var(--color-bg) l c h / 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  max-width: var(--content-wide);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--color-text);
  flex-shrink: 0;
}

.brand-mark .accent {
  color: var(--color-primary);
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name small {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.main-nav ul {
  display: flex;
  gap: var(--space-6);
}

.main-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding-block: var(--space-1);
  border-bottom: 1px solid transparent;
}

.main-nav a:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  align-items: center;
  justify-content: center;
}

.nav-toggle svg {
  width: 1.1rem;
  height: 1.1rem;
}

.site-header .mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) 0 var(--space-6);
  border-top: 1px solid var(--color-divider);
}

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

.mobile-nav a {
  font-size: var(--text-base);
  color: var(--color-text);
  text-decoration: none;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }
}

.theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.theme-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
}

.theme-toggle .icon-moon {
  display: none;
}
[data-theme='dark'] .theme-toggle .icon-sun {
  display: none;
}
[data-theme='dark'] .theme-toggle .icon-moon {
  display: block;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-ink);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-ghost {
  color: var(--color-text);
  border: 1px solid var(--color-border);
  background: transparent;
}

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

.btn-on-dark {
  border-color: oklch(from var(--color-text-inverse) l c h / 0.3);
  color: var(--color-text-inverse);
}

.btn-on-dark:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

.hero {
  background: linear-gradient(180deg, var(--color-ink) 0%, var(--color-ink-2) 100%);
  color: var(--color-text-inverse);
  padding-block: clamp(4rem, 10vw, 8rem) clamp(4rem, 8vw, 6rem);
  overflow: hidden;
}

.hero .wrap {
  max-width: var(--content-wide);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}

.hero-eyebrow {
  color: var(--color-primary);
}

.hero h1 {
  font-size: var(--text-hero);
  color: var(--color-text-inverse);
  font-weight: 400;
  margin-top: var(--space-6);
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-primary);
}

.hero-sub {
  margin-top: var(--space-8);
  font-size: var(--text-lg);
  color: oklch(from var(--color-text-inverse) l c h / 0.72);
  max-width: 46ch;
  font-family: var(--font-body);
}

.hero-actions {
  margin-top: var(--space-10);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-figure {
  justify-self: end;
  width: 100%;
  max-width: 22rem;
}

.hero-portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-8);
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-credentials {
  border-top: 1px solid oklch(from var(--color-text-inverse) l c h / 0.16);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero-credentials li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: oklch(from var(--color-text-inverse) l c h / 0.62);
}

.hero-credentials li strong {
  color: var(--color-text-inverse);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
}

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

.services {
  padding-block: clamp(4rem, 9vw, 7rem);
}

.services-header {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: end;
  margin-bottom: var(--space-16);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}

.service-list {
  display: flex;
  flex-direction: column;
}

.service-row {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) minmax(0, 1.3fr);
  gap: var(--space-8);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
  align-items: start;
}

.service-row:last-child {
  border-bottom: 1px solid var(--color-divider);
}

.service-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-faint);
  font-weight: 400;
}

.service-title {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
}

.service-desc {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* ============================================================
   Impact
   ============================================================ */

.impact {
  background: var(--color-surface-2);
  padding-block: clamp(4rem, 9vw, 7rem);
  border-block: 1px solid var(--color-divider);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-8);
  margin-block: var(--space-16);
  padding-block: var(--space-10);
  border-block: 1px solid var(--color-divider);
}

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

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  font-weight: 500;
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 22ch;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--space-6);
}

.case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.case-card--feature {
  grid-column: span 4;
}

.case-card--support {
  grid-column: span 2;
}

@media (max-width: 900px) {
  .case-card--feature,
  .case-card--support {
    grid-column: span 6;
  }
}

.case-client {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.case-headline {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
}

.case-body {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ============================================================
   Approach
   ============================================================ */

.approach {
  padding-block: clamp(4rem, 9vw, 7rem);
}

.approach-header {
  max-width: 42ch;
  margin-bottom: var(--space-16);
}

.approach-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--color-divider);
}

.approach-step {
  padding: var(--space-8) var(--space-6) var(--space-8) 0;
  border-right: 1px solid var(--color-divider);
}

.approach-step:last-child {
  border-right: none;
}

.approach-step-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-4);
}

.approach-step h3 {
  font-size: var(--text-base);
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.approach-step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .approach-steps {
    grid-template-columns: 1fr;
  }
  .approach-step {
    border-right: none;
    border-bottom: 1px solid var(--color-divider);
    padding-inline: 0;
  }
}

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

.about {
  background: var(--color-ink);
  color: var(--color-text-inverse);
  padding-block: clamp(4rem, 9vw, 7rem);
}

.about .eyebrow {
  color: var(--color-primary);
}

.about h2 {
  color: var(--color-text-inverse);
}

.about .wrap {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
}

.about-side {
  display: flex;
  flex-direction: column;
}

.about-portrait {
  width: 100%;
  max-width: 20rem;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-8);
}

.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-bio p {
  color: oklch(from var(--color-text-inverse) l c h / 0.72);
  font-size: var(--text-base);
  margin-top: var(--space-5);
}

.about-bio p:first-of-type {
  margin-top: var(--space-8);
}

.credential-list {
  border-top: 1px solid oklch(from var(--color-text-inverse) l c h / 0.16);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.credential-list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.credential-role {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-text-inverse);
}

.credential-meta {
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: oklch(from var(--color-text-inverse) l c h / 0.5);
}

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

.contact {
  padding-block: clamp(4rem, 10vw, 8rem);
  text-align: left;
}

.contact .wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

.contact h2 {
  font-size: var(--text-xl);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-link {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-1);
}

.contact-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.contact-link span {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-body);
}

.contact-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

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

.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}

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

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

.site-footer a {
  color: var(--color-text-faint);
}

.site-footer a:hover {
  color: var(--color-primary);
}

/* ============================================================
   Reveal-on-scroll
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ============================================================
   Skip link
   ============================================================ */

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -3rem;
  background: var(--color-primary);
  color: var(--color-ink);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-interactive);
}

.skip-link:focus {
  top: var(--space-4);
}

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

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }

  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .hero-figure {
    justify-self: start;
    max-width: 16rem;
    margin-top: var(--space-8);
  }

  .services-header {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .service-row {
    grid-template-columns: 3rem 1fr;
  }

  .service-row > .service-desc {
    grid-column: 2 / 3;
  }

  .stat-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about .wrap,
  .contact .wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .service-row {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  .service-row > .service-desc {
    grid-column: auto;
  }
  .stat-row {
    grid-template-columns: 1fr;
  }
}