/* style.css — IAS Digital Group Design Tokens & Components */

/* ═══════════════ FONTS ═══════════════ */
@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:ital,opsz,wght@0,6..12,400;0,6..12,600;0,6..12,700;0,6..12,800;1,6..12,400&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600,700&display=swap');

/* ═══════════════ TYPE SCALE ═══════════════ */
:root {
  --font-display: 'Nunito Sans', 'Helvetica Neue', sans-serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;

  --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 ═══════════════ */
  --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-2xl: 1.5rem;
  --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);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* ═══════════════ CONTENT WIDTHS ═══════════════ */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ═══════════════ IAS BRAND COLORS ═══════════════ */
:root, [data-theme="light"] {
  --ias-orange: #FF7A21;
  --ias-orange-hover: #E86A10;
  --ias-orange-active: #D25E0A;
  --ias-charcoal: #545456;
  --ias-dark: #1C1B19;

  --color-bg: #F7F6F2;
  --color-surface: #FFFFFF;
  --color-surface-2: #F9F8F5;
  --color-surface-offset: #F0EEEA;
  --color-surface-dynamic: #E6E4DF;
  --color-divider: #DCD9D5;
  --color-border: #D4D1CA;

  --color-text: #28251D;
  --color-text-muted: #7A7974;
  --color-text-faint: #BAB9B4;
  --color-text-inverse: #F7F6F2;

  --color-primary: #FF7A21;
  --color-primary-hover: #E86A10;
  --color-primary-active: #D25E0A;

  --shadow-sm: 0 1px 3px rgba(28, 27, 25, 0.06);
  --shadow-md: 0 4px 12px rgba(28, 27, 25, 0.08);
  --shadow-lg: 0 12px 32px rgba(28, 27, 25, 0.12);
  --shadow-xl: 0 20px 50px rgba(28, 27, 25, 0.16);
}

[data-theme="dark"] {
  --color-bg: #1C1B19;
  --color-surface: #242320;
  --color-surface-2: #2A2926;
  --color-surface-offset: #1F1E1C;
  --color-surface-dynamic: #333230;
  --color-divider: #3A3937;
  --color-border: #4A4947;

  --color-text: #E8E7E5;
  --color-text-muted: #9A9995;
  --color-text-faint: #6A6966;
  --color-text-inverse: #1C1B19;

  --ias-charcoal: #B0B0B2;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1C1B19;
    --color-surface: #242320;
    --color-surface-2: #2A2926;
    --color-surface-offset: #1F1E1C;
    --color-surface-dynamic: #333230;
    --color-divider: #3A3937;
    --color-border: #4A4947;
    --color-text: #E8E7E5;
    --color-text-muted: #9A9995;
    --color-text-faint: #6A6966;
    --color-text-inverse: #1C1B19;
    --ias-charcoal: #B0B0B2;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
  }
}

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

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

.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

/* ═══════════════ HEADER ═══════════════ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-6);
}

.header__logo {
  height: 36px;
  width: auto;
}

.header__logo--light { display: block; }
.header__logo--dark { display: none; }
[data-theme="dark"] .header__logo--light { display: none; }
[data-theme="dark"] .header__logo--dark { display: block; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .header__logo--light { display: none; }
  :root:not([data-theme]) .header__logo--dark { display: block; }
}

.nav { display: flex; align-items: center; gap: var(--space-1); }

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.nav__link:hover, .nav__link--active {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.nav__cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: white;
  background: var(--ias-orange);
  text-decoration: none;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.nav__cta:hover {
  background: var(--ias-orange-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav__cta:active {
  transform: translateY(0);
  background: var(--ias-orange-active);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* Mobile nav */
.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  border-radius: var(--radius-md);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: var(--space-20) var(--space-6) var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
}

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

.mobile-nav .nav__link {
  font-size: var(--text-lg);
  padding: var(--space-4);
  display: block;
}

.mobile-nav .nav__cta {
  font-size: var(--text-base);
  padding: var(--space-4);
  text-align: center;
  display: block;
  margin-top: var(--space-4);
}

@media (max-width: 768px) {
  .nav { display: none; }
  .mobile-menu-btn { display: flex; }
}

/* ═══════════════ HERO ═══════════════ */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ias-dark);
  color: var(--color-text-inverse);
}

[data-theme="dark"] .hero { color: var(--color-text); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .hero { color: #E8E7E5; }
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(28,27,25,0.85) 0%, rgba(28,27,25,0.5) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: rgba(255, 122, 33, 0.15);
  border: 1px solid rgba(255, 122, 33, 0.3);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--ias-orange);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.hero__badge span {
  width: 6px;
  height: 6px;
  background: var(--ias-orange);
  border-radius: var(--radius-full);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero__title .highlight {
  color: var(--ias-orange);
}

.hero__subtitle {
  font-size: var(--text-lg);
  line-height: 1.5;
  opacity: 0.85;
  margin-bottom: var(--space-8);
  max-width: 540px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

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

.btn--primary {
  background: var(--ias-orange);
  color: white;
}
.btn--primary:hover {
  background: var(--ias-orange-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--primary:active {
  background: var(--ias-orange-active);
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: white;
  border: 1.5px solid rgba(255,255,255,0.3);
}
.btn--outline:hover {
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.08);
  transform: translateY(-1px);
}

.btn--outline-dark {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn--outline-dark:hover {
  border-color: var(--ias-orange);
  color: var(--ias-orange);
  transform: translateY(-1px);
}

.btn--large {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
}

/* ═══════════════ SECTION HEADERS ═══════════════ */
.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-16));
}

.section-header__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--ias-orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.section-header__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
}

/* ═══════════════ STATS ROW ═══════════════ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.stat { text-align: center; }

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--ias-orange);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

/* ═══════════════ PRODUCT CARDS ═══════════════ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

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

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--ias-orange);
}

.product-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 122, 33, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ias-orange);
  margin-bottom: var(--space-5);
}

.product-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.product-card__tagline {
  font-size: var(--text-sm);
  color: var(--ias-orange);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.product-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.product-card__features {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-6);
}

.product-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding-block: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-divider);
}

.product-card__features li svg {
  flex-shrink: 0;
  color: var(--ias-orange);
  margin-top: 2px;
}

.product-card__pricing {
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.product-card__price {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.product-card__price span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 400;
}

/* ═══════════════ SERVICE CARDS ═══════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
}

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

.service-card__icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 122, 33, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ias-orange);
  margin-bottom: var(--space-4);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.service-card__price {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ias-orange);
}

/* ═══════════════ TESTIMONIALS ═══════════════ */
.testimonials { background: var(--color-surface-2); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

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

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.testimonial-card__stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  color: var(--ias-orange);
}

.testimonial-card__text {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-5);
  font-style: italic;
}

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

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--ias-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
}

.testimonial-card__name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}

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

/* ═══════════════ CTA SECTION ═══════════════ */
.cta-section {
  background: var(--ias-dark);
  color: #F7F6F2;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,122,33,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-section__desc {
  font-size: var(--text-base);
  opacity: 0.8;
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  position: relative;
}

/* ═══════════════ FULL-BLEED IMAGE ═══════════════ */
.full-bleed-img {
  width: 100%;
  aspect-ratio: 21/9;
  object-fit: cover;
  border-radius: 0;
}

.img-section {
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-block: var(--space-4);
}

.img-section img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ═══════════════ ABOUT CONTENT ═══════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

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

.about-text__lead {
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: var(--space-4);
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* ═══════════════ PRICING TABLE ═══════════════ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.pricing-card--featured {
  border-color: var(--ias-orange);
  box-shadow: 0 0 0 1px var(--ias-orange);
  position: relative;
}

.pricing-card--featured::before {
  content: 'Most Popular';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--ias-orange);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.pricing-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.pricing-card__price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--ias-orange);
  margin-bottom: var(--space-1);
}

.pricing-card__period {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  text-align: left;
  margin-bottom: var(--space-6);
}

.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding-block: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-card__features li svg {
  flex-shrink: 0;
  color: var(--ias-orange);
  margin-top: 2px;
}

/* ═══════════════ CONTACT FORM ═══════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

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

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--ias-orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 33, 0.15);
}

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

.contact-info { display: flex; flex-direction: column; gap: var(--space-6); }

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

.contact-info__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: rgba(255, 122, 33, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ias-orange);
}

.contact-info__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.contact-info__value a {
  color: var(--ias-orange);
  text-decoration: none;
}
.contact-info__value a:hover { text-decoration: underline; }

/* ═══════════════ PORTFOLIO GRID ═══════════════ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

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

@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

.portfolio-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.portfolio-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.portfolio-item__image {
  aspect-ratio: 16/10;
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ias-orange);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
}

.portfolio-item__info {
  padding: var(--space-4);
}

.portfolio-item__name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

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

/* ═══════════════ FOOTER ═══════════════ */
.footer {
  background: var(--ias-dark);
  color: #F7F6F2;
  padding-block: var(--space-12);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
}

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

@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; }
}

.footer__brand-desc {
  font-size: var(--text-sm);
  opacity: 0.7;
  margin-top: var(--space-4);
  max-width: 300px;
}

.footer__logo {
  height: 32px;
  width: auto;
}

.footer__heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  color: white;
}

.footer__links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__links a {
  color: rgba(247, 246, 242, 0.6);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-interactive);
}

.footer__links a:hover { color: var(--ias-orange); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__bottom p {
  font-size: var(--text-xs);
  opacity: 0.5;
}

.footer__bottom a {
  font-size: var(--text-xs);
  color: rgba(247, 246, 242, 0.5);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__bottom a:hover { color: var(--ias-orange); }

/* ═══════════════ SCROLL ANIMATIONS ═══════════════ */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ═══════════════ PAGE TRANSITIONS ═══════════════ */
.page { display: none; }
.page.active {
  display: block;
  animation: page-enter 0.3s var(--ease-out);
}

@keyframes page-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ═══════════════ PROCESS STEPS ═══════════════ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  counter-reset: step;
}

@media (max-width: 768px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}

.process-step {
  text-align: center;
  counter-increment: step;
}

.process-step__number {
  width: 48px;
  height: 48px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  border: 2px solid var(--ias-orange);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--ias-orange);
}

.process-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

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

/* ═══════════════ TECH STACK BAR ═══════════════ */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.tech-tag {
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
}

/* ═══════════════ PAGE HERO (INTERIOR) ═══════════════ */
.page-hero {
  padding-top: clamp(var(--space-12), 6vw, var(--space-20));
  padding-bottom: clamp(var(--space-8), 4vw, var(--space-12));
  text-align: center;
  background: var(--color-surface-2);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.page-hero__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
}

/* ═══════════════ FOUNDER ═══════════════ */
.founder-photo {
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

/* ═══════════════ TIMELINE ═══════════════ */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-8);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) + 8px);
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--ias-orange);
  border-radius: var(--radius-full);
  border: 3px solid var(--color-bg);
}

.timeline__year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--ias-orange);
  margin-bottom: var(--space-1);
}

.timeline__title {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

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