/* ========================================
   ATELIER - Editorial Elegance Theme
   Sophisticated, design-forward, luxury
   Like an architecture firm or luxury brand
   ======================================== */

:root {
  /* Colors */
  --at-bg: #faf9f7;
  --at-bg-warm: #f5f3ef;
  --at-text: #0a0a0a;
  --at-text-muted: #4a4a4a;
  --at-text-dim: #8a8a8a;
  --at-accent: #c2410c;
  --at-accent-dark: #9a3412;
  --at-gold: #b7950b;
  --at-border: #e5e3df;
  --at-border-light: #f0ede8;

  /* Typography */
  --at-font-heading: 'Fraunces', Georgia, serif;
  --at-font-body: 'DM Sans', sans-serif;

  /* Spacing */
  --at-section-padding: 8rem;
  --at-container-max: 72rem;

  /* Effects */
  --at-transition: 0.2s ease;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, h4, p { margin: 0; }

.at-body {
  font-family: var(--at-font-body);
  background: var(--at-bg);
  color: var(--at-text);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.at-container {
  max-width: var(--at-container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography - Editorial */
.at-heading-xl {
  font-family: var(--at-font-heading);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.at-heading-lg {
  font-family: var(--at-font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.at-heading-md {
  font-family: var(--at-font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.3;
}

.at-heading-sm {
  font-family: var(--at-font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--at-accent);
}

.at-text-lg {
  font-size: 1.125rem;
  color: var(--at-text-muted);
  line-height: 1.8;
}

.at-serif {
  font-family: var(--at-font-heading);
}

/* Section */
.at-section {
  padding: var(--at-section-padding) 0;
}

/* Buttons - Refined */
.at-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-family: var(--at-font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-decoration: none;
  border: 1px solid;
  cursor: pointer;
  transition: all var(--at-transition);
}

.at-btn--primary {
  background: var(--at-text);
  border-color: var(--at-text);
  color: var(--at-bg);
}

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

.at-btn--secondary {
  background: transparent;
  border-color: var(--at-text);
  color: var(--at-text);
}

.at-btn--secondary:hover {
  background: var(--at-text);
  color: var(--at-bg);
}

/* Gold Accent */
.at-gold {
  color: var(--at-gold);
}

/* Oversized Number */
.at-number-xl {
  font-family: var(--at-font-heading);
  font-size: clamp(4rem, 15vw, 10rem);
  font-weight: 400;
  line-height: 0.9;
  color: var(--at-text);
}

/* ========================================
   HEADER
   ======================================== */
.at-header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--at-border-light);
}

.at-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.at-header__logo {
  font-family: var(--at-font-heading);
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--at-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.at-header__nav {
  display: none;
}

@media (min-width: 768px) {
  .at-header__nav {
    display: flex;
    align-items: center;
    gap: 3rem;
  }
}

.at-header__nav a {
  color: var(--at-text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--at-transition);
}

.at-header__nav a:hover {
  color: var(--at-text);
}

.at-header__actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.at-header__actions .at-btn {
  padding: 0.75rem 1.5rem;
  font-size: 0.6875rem;
}

/* ========================================
   HERO
   ======================================== */
.at-hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
}

.at-hero__inner {
  display: grid;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .at-hero__inner {
    grid-template-columns: 1fr 1fr;
  }
}

.at-hero__content {
  max-width: 32rem;
}

.at-hero__eyebrow {
  margin-bottom: 2rem;
}

.at-hero__title {
  margin-bottom: 2rem;
}

.at-hero__description {
  margin-bottom: 3rem;
  font-family: var(--at-font-heading);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--at-text-muted);
}

.at-hero__actions {
  display: flex;
  gap: 1rem;
}

.at-hero__visual {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--at-bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.at-hero__visual-text {
  font-family: var(--at-font-heading);
  font-size: 1rem;
  color: var(--at-text-dim);
  font-style: italic;
}

/* ========================================
   CAPABILITIES (Features)
   ======================================== */
.at-capabilities {
  background: var(--at-bg);
  border-top: 1px solid var(--at-border-light);
}

.at-capabilities__header {
  display: grid;
  gap: 2rem;
  margin-bottom: 6rem;
}

@media (min-width: 768px) {
  .at-capabilities__header {
    grid-template-columns: 1fr 2fr;
    align-items: end;
  }
}

.at-capabilities__eyebrow {
  margin-bottom: 1rem;
}

.at-capabilities__intro {
  font-family: var(--at-font-heading);
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--at-text-muted);
}

.at-capabilities__grid {
  display: grid;
  gap: 1px;
  background: var(--at-border);
}

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

.at-capability {
  background: var(--at-bg);
  padding: 3rem 2rem;
}

.at-capability__number {
  font-family: var(--at-font-heading);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--at-gold);
  margin-bottom: 1.5rem;
}

.at-capability__title {
  font-family: var(--at-font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.at-capability__description {
  color: var(--at-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ========================================
   PROCESS (How it Works)
   ======================================== */
.at-process {
  background: var(--at-bg-warm);
}

.at-process__header {
  text-align: center;
  max-width: 32rem;
  margin: 0 auto 6rem;
}

.at-process__eyebrow {
  margin-bottom: 1.5rem;
}

.at-steps {
  display: grid;
  gap: 4rem;
}

@media (min-width: 768px) {
  .at-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }
}

.at-step {
  text-align: center;
}

.at-step__number {
  font-family: var(--at-font-heading);
  font-size: 4rem;
  font-weight: 400;
  line-height: 1;
  color: var(--at-border);
  margin-bottom: 1.5rem;
}

.at-step__title {
  font-family: var(--at-font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.at-step__description {
  color: var(--at-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ========================================
   AI SECTION
   ======================================== */
.at-ai-section {
  background: var(--at-bg);
  border-top: 1px solid var(--at-border-light);
}

.at-ai-section__inner {
  display: grid;
  gap: 6rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .at-ai-section__inner {
    grid-template-columns: 1fr 1fr;
  }
}

.at-ai-section__eyebrow {
  margin-bottom: 1.5rem;
}

.at-ai-section__title {
  margin-bottom: 1.5rem;
}

.at-ai-section__description {
  margin-bottom: 2.5rem;
  font-family: var(--at-font-heading);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--at-text-muted);
}

.at-ai-section__features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.at-ai-feature {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9375rem;
}

.at-ai-feature__icon {
  color: var(--at-gold);
  font-weight: 600;
}

.at-ai-demo {
  aspect-ratio: 4/3;
  background: var(--at-bg-warm);
  border: 1px solid var(--at-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.at-ai-demo__text {
  font-family: var(--at-font-heading);
  font-size: 1rem;
  color: var(--at-text-dim);
  font-style: italic;
}

/* ========================================
   PRICING
   ======================================== */
.at-pricing {
  background: var(--at-bg-warm);
}

.at-pricing__header {
  text-align: center;
  max-width: 32rem;
  margin: 0 auto 6rem;
}

.at-pricing__eyebrow {
  margin-bottom: 1.5rem;
}

.at-pricing__options {
  display: grid;
  gap: 2rem;
}

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

.at-pricing-option {
  background: var(--at-bg);
  border: 1px solid var(--at-border);
  padding: 3rem 2rem;
  text-align: center;
  transition: all var(--at-transition);
}

.at-pricing-option:hover {
  border-color: var(--at-text);
}

.at-pricing-option--featured {
  border-color: var(--at-gold);
  position: relative;
}

.at-pricing-option--featured::before {
  content: 'Recommended';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--at-gold);
  color: white;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.75rem;
}

.at-pricing-option__name {
  font-family: var(--at-font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.at-pricing-option__price {
  font-family: var(--at-font-heading);
  font-size: 3rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.at-pricing-option__period {
  color: var(--at-text-dim);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.at-pricing-option__features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  text-align: left;
}

.at-pricing-option__feature {
  padding: 0.5rem 0;
  font-size: 0.9375rem;
  color: var(--at-text-muted);
  border-bottom: 1px solid var(--at-border-light);
}

.at-pricing-option__cta {
  width: 100%;
}

/* ========================================
   TESTIMONIAL
   ======================================== */
.at-testimonial-section {
  background: var(--at-bg);
  border-top: 1px solid var(--at-border-light);
}

.at-testimonial {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.at-testimonial__quote {
  font-family: var(--at-font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 3rem;
}

.at-testimonial__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.at-testimonial__avatar {
  width: 56px;
  height: 56px;
  background: var(--at-bg-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--at-font-heading);
  font-size: 1rem;
  color: var(--at-text-muted);
}

.at-testimonial__info {
  text-align: left;
}

.at-testimonial__name {
  font-family: var(--at-font-heading);
  font-weight: 500;
  font-size: 1rem;
}

.at-testimonial__role {
  color: var(--at-text-dim);
  font-size: 0.875rem;
}

/* ========================================
   CTA
   ======================================== */
.at-cta {
  background: var(--at-text);
  color: var(--at-bg);
}

.at-cta__inner {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto;
}

.at-cta__title {
  color: var(--at-bg);
  margin-bottom: 1.5rem;
}

.at-cta__description {
  color: rgba(250, 249, 247, 0.7);
  font-family: var(--at-font-heading);
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
}

.at-cta .at-btn--primary {
  background: var(--at-bg);
  border-color: var(--at-bg);
  color: var(--at-text);
}

.at-cta .at-btn--primary:hover {
  background: var(--at-gold);
  border-color: var(--at-gold);
  color: white;
}

/* ========================================
   FOOTER
   ======================================== */
.at-footer {
  background: var(--at-bg);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--at-border-light);
}

.at-footer__grid {
  display: grid;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .at-footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.at-footer__brand {
  max-width: 240px;
}

.at-footer__logo {
  font-family: var(--at-font-heading);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--at-text);
  text-decoration: none;
  display: block;
  margin-bottom: 1rem;
}

.at-footer__tagline {
  color: var(--at-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.at-footer__column h4 {
  font-family: var(--at-font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  color: var(--at-text);
}

.at-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.at-footer__links li {
  margin-bottom: 0.75rem;
}

.at-footer__links a {
  color: var(--at-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--at-transition);
}

.at-footer__links a:hover {
  color: var(--at-text);
}

.at-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--at-border-light);
  font-size: 0.8125rem;
  color: var(--at-text-dim);
}

@media (min-width: 768px) {
  .at-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.at-footer__legal {
  display: flex;
  gap: 2rem;
}

.at-footer__legal a {
  color: var(--at-text-dim);
  text-decoration: none;
  transition: color var(--at-transition);
}

.at-footer__legal a:hover {
  color: var(--at-text);
}