/* ===== DESIGN TOKENS (from Tutora DESIGN.md) ===== */
:root {
  --color-primary: #1a2238;
  --color-primary-fg: #ffffff;
  --color-secondary: #3d4a3e;
  --color-secondary-fg: #ffffff;
  --color-accent: #d4b483;
  --color-accent-fg: #9c7127;
  --color-destructive: #631b1b;
  --color-bg: #faf9f6;
  --color-surface: #ffffff;
  --color-surface-warm: #f2f0e4;
  --color-border: #faf5ee;
  --color-border-subtle: rgba(26, 34, 56, 0.1);
  --color-muted: #9ca3af;
  --color-muted-strong: #6b7280;
  --color-navy-60: rgba(26, 34, 56, 0.6);
  --color-navy-05: rgba(26, 34, 56, 0.05);
  --color-success: #059669;

  --font-primary: "Bricolage Grotesque", system-ui, sans-serif;
  --font-serif: "IBM Plex Serif", Georgia, serif;

  --radius-xs: 3.5px;
  --radius-sm: 10.5px;
  --radius-md: 14px;
  --radius-lg: 21px;
  --radius-xl: 28px;
  --radius-2xl: 42px;
  --radius-full: 9999px;

  --shadow-soft: 0px 20px 50px -12px rgba(26, 34, 56, 0.08);
  --shadow-medium: 0px 20px 25px -5px rgba(0,0,0,0.1), 0px 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-card: 0px 4px 16px -4px rgba(26, 34, 56, 0.12);

  --space-xs: clamp(0.25rem, 0.2rem + 0.1vw, 0.375rem);
  --space-sm: clamp(0.5rem, 0.4rem + 0.2vw, 0.75rem);
  --space-md: clamp(1rem, 0.8rem + 0.4vw, 1.5rem);
  --space-lg: clamp(1.5rem, 1.2rem + 0.6vw, 2.25rem);
  --space-xl: clamp(2rem, 1.5rem + 1vw, 3.5rem);
  --space-2xl: clamp(3rem, 2rem + 2vw, 6rem);
  --space-3xl: clamp(4rem, 2.5rem + 3vw, 8rem);
  --section-y: clamp(4rem, 3rem + 2vw, 8rem);
  --section-x: clamp(1.25rem, 0.75rem + 1.5vw, 4rem);

  --font-xs:   clamp(0.75rem,  0.7rem  + 0.1vw, 0.875rem);
  --font-sm:   clamp(0.875rem, 0.8rem  + 0.15vw, 1rem);
  --font-base: clamp(1rem,     0.9rem  + 0.2vw, 1.25rem);
  --font-lg:   clamp(1.125rem, 1rem    + 0.25vw, 1.5rem);
  --font-xl:   clamp(1.25rem,  1.1rem  + 0.35vw, 1.75rem);
  --font-2xl:  clamp(1.5rem,   1.25rem + 0.5vw, 2.25rem);
  --font-3xl:  clamp(1.875rem, 1.5rem  + 0.75vw, 3rem);
  --font-4xl:  clamp(2.25rem,  1.75rem + 1vw, 4rem);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-primary);
  font-size: var(--font-base);
  color: var(--color-primary);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
a { text-decoration: none; color: inherit; }

/* ===== LAYOUT ===== */
.container-xl {
  width: 100%;
  max-width: min(1280px, 92vw);
  margin: 0 auto;
  padding: 0 var(--section-x);
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--color-primary);
  color: var(--color-primary-fg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--color-primary);
}
.btn-nav {
  padding: 10px 24px;
  background: var(--color-primary);
  color: var(--color-primary-fg);
  border-radius: var(--radius-full);
  font-size: var(--font-sm);
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

/* ===== HERO ===== */
.hero {
  padding: var(--section-y) 0;
  background: var(--color-bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: clamp(2rem, 4vw, 5rem);
  align-items: start;
}
.hero-copy {
  padding-top: clamp(0rem, 1vw, 2rem);
}
.hero-eyebrow {
  margin-bottom: var(--space-md);
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: linear-gradient(135deg, rgba(212,180,131,0.18) 0%, rgba(212,180,131,0.06) 100%);
  border: 1px solid rgba(212,180,131,0.5);
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-accent-fg);
}
.hero-heading {
  font-size: var(--font-4xl);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}
.hero-heading em {
  font-style: italic;
  font-family: var(--font-primary);
  font-weight: 800;
  color: var(--color-destructive);
}
.hero-sub {
  font-size: var(--font-lg);
  color: var(--color-navy-60);
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: var(--space-xl);
}

/* Stats */
.stats-row {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-value {
  font-size: var(--font-xl);
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.stat-label {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* Benefits */
.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--font-sm);
  color: var(--color-navy-60);
  font-weight: 500;
}
.benefit-icon {
  font-size: 10px;
  color: var(--color-accent-fg);
  margin-top: 4px;
  flex-shrink: 0;
}

/* ===== FORM CARD ===== */
.form-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  position: sticky;
  top: 90px;
}
.form-card-header {
  background: var(--color-primary);
  padding: var(--space-lg) var(--space-xl);
}
.form-title {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--color-primary-fg);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.form-subtitle {
  font-size: var(--font-sm);
  color: rgba(255,255,255,0.65);
}
.register-form {
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Fields */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}
.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-label {
  font-size: var(--font-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--color-primary);
}
.required { color: var(--color-destructive); }
.optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-muted);
  font-size: 11px;
}
.field-input {
  padding: 12px 14px;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: var(--font-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  width: 100%;
}
.field-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 34, 56, 0.08);
}
.field-input::placeholder { color: var(--color-muted); }
.field-input.is-error { border-color: var(--color-destructive); }
.field-error {
  font-size: 12px;
  color: var(--color-destructive);
  font-weight: 500;
  min-height: 16px;
}

/* Select */
.select-wrapper {
  position: relative;
}
.field-select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 36px;
}
.select-arrow {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--color-muted-strong);
}

/* Textarea */
.field-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

/* Subject / Grade chips */
.subject-grid, .grade-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.subject-chip, .grade-chip {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.subject-chip:hover, .grade-chip:hover {
  border-color: var(--color-primary);
  background: var(--color-navy-05);
}
.subject-chip.selected, .grade-chip.selected {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-fg);
  box-shadow: 0 2px 6px -2px rgba(26, 34, 56, 0.3);
}

/* Submit button */
.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 15px 24px;
  background: var(--color-secondary);
  color: var(--color-secondary-fg);
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0px 4px 6px -1px rgba(0,0,0,0.1), 0px 2px 4px -2px rgba(0,0,0,0.1);
  margin-top: 4px;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0px 8px 20px -4px rgba(61,74,62,0.35);
  background: #2f3a2f;
}
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.btn-submit-icon { flex-shrink: 0; }

.form-privacy {
  font-size: 11px;
  color: var(--color-muted);
  text-align: center;
  line-height: 1.5;
}

/* Success state */
.form-success {
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
}
.success-icon {
  width: 56px;
  height: 56px;
  background: rgba(5, 150, 105, 0.1);
  border: 2px solid var(--color-success);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-success);
  margin: 0 auto var(--space-md);
}
.success-title {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}
.success-body {
  font-size: var(--font-sm);
  color: var(--color-navy-60);
  line-height: 1.65;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: var(--section-y) 0;
  background: var(--color-surface-warm);
}
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}
.section-eyebrow {
  font-size: var(--font-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent-fg);
  margin-bottom: var(--space-sm);
}
.section-title {
  font-size: var(--font-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  line-height: 1.2;
}
.steps-grid {
  display: flex;
  align-items: center;
  gap: 0;
}
.step-card {
  flex: 1;
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.step-connector {
  width: clamp(20px, 3vw, 40px);
  height: 1px;
  background: linear-gradient(90deg, var(--color-border) 0%, var(--color-accent) 50%, var(--color-border) 100%);
  flex-shrink: 0;
}
.step-number {
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1.5px;
  color: var(--color-accent-fg);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.step-title {
  font-size: var(--font-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}
.step-body {
  font-size: var(--font-sm);
  color: var(--color-navy-60);
  line-height: 1.65;
}

/* ===== TIER PROGRESSION ===== */
.progression {
  padding: var(--section-y) 0;
  background: var(--color-primary);
}
.progression .section-header { margin-bottom: var(--space-2xl); }
.progression .section-eyebrow { color: var(--color-accent); }
.progression .section-title {
  color: var(--color-primary-fg);
}
.section-sub {
  font-size: var(--font-base);
  color: rgba(255,255,255,0.55);
  margin-top: var(--space-sm);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.tier-grid {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.tier-card {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.tier-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.25);
}
.tier-featured {
  background: rgba(255,255,255,0.1);
  border-color: rgba(212,180,131,0.4);
  position: relative;
}
.tier-professional {
  background: linear-gradient(135deg, rgba(61,74,62,0.6) 0%, rgba(61,74,62,0.3) 100%);
  border-color: rgba(5,150,105,0.4);
}

.tier-badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
.tier-badge-pro {
  background: rgba(212,180,131,0.2);
  color: var(--color-accent);
}
.tier-badge-elite {
  background: rgba(5,150,105,0.2);
  color: #34d399;
}

.tier-level {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--color-primary-fg);
  letter-spacing: -0.02em;
}

.tier-salary {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.tier-salary-value {
  font-size: var(--font-3xl);
  font-weight: 900;
  color: var(--color-primary-fg);
  letter-spacing: -0.04em;
  line-height: 1;
}
.tier-professional .tier-salary-value { color: #34d399; }
.tier-featured .tier-salary-value { color: var(--color-accent); }
.tier-salary-unit {
  font-size: var(--font-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tier-hours {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.10);
  margin-top: var(--space-xs);
}
.tier-hours-value {
  font-size: var(--font-sm);
  font-weight: 900;
  color: rgba(255,255,255,0.85);
  letter-spacing: -0.01em;
}
.tier-hours-sep {
  font-size: var(--font-sm);
  color: rgba(255,255,255,0.25);
}
.tier-hours-label {
  font-size: var(--font-sm);
  font-weight: 700;
  color: var(--color-accent);
}

.tier-type {
  font-size: var(--font-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(255,255,255,0.4);
}

.tier-criteria {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  margin-top: auto;
}
.tier-criteria li {
  font-size: var(--font-sm);
  color: rgba(255,255,255,0.65);
  padding-left: 16px;
  position: relative;
  line-height: 1.45;
}
.tier-criteria li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: rgba(255,255,255,0.3);
  font-weight: 700;
}

.tier-timeline {
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.timeline-fast {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
}
.timeline-normal {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}
.timeline-label {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  font-weight: 600;
}

.tier-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 clamp(8px, 1.5vw, 20px);
  color: rgba(255,255,255,0.25);
  flex-shrink: 0;
}
.tier-arrow span {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.tier-note {
  margin-top: var(--space-xl);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: var(--space-md) var(--space-lg);
  background: rgba(212,180,131,0.08);
  border: 1px solid rgba(212,180,131,0.2);
  border-radius: var(--radius-md);
}
.tier-note-icon {
  color: var(--color-accent);
  font-size: 12px;
  margin-top: 3px;
  flex-shrink: 0;
}
.tier-note span:last-child {
  font-size: var(--font-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}
.tier-note strong { color: var(--color-accent); }

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: var(--section-y) 0;
  background: var(--color-bg);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.testimonial-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.testimonial-featured {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.testimonial-quote {
  font-family: var(--font-primary);
  font-size: var(--font-base);
  font-style: italic;
  line-height: 1.7;
  color: var(--color-navy-60);
  flex: 1;
}
.testimonial-featured .testimonial-quote {
  color: rgba(255,255,255,0.8);
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-surface-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--color-primary);
  flex-shrink: 0;
}
.testimonial-featured .author-avatar {
  background: rgba(255,255,255,0.15);
  color: var(--color-primary-fg);
}
.author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.author-name {
  font-size: var(--font-sm);
  font-weight: 700;
  color: var(--color-primary);
}
.testimonial-featured .author-name { color: var(--color-primary-fg); }
.author-role {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.testimonial-featured .author-role { color: rgba(255,255,255,0.55); }
.author-rating {
  font-size: 13px;
  font-weight: 800;
  color: #fb923c;
  flex-shrink: 0;
}

/* ===== BOTTOM CTA ===== */
.bottom-cta {
  padding: var(--section-y) 0;
  background: var(--color-primary);
}
.cta-inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.cta-title {
  font-size: var(--font-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-primary-fg);
  margin-bottom: var(--space-md);
  line-height: 1.15;
}
.cta-sub {
  font-size: var(--font-base);
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-xl);
  line-height: 1.65;
}
.btn-primary-large {
  display: inline-flex;
  align-items: center;
  padding: 18px 48px;
  background: var(--color-surface);
  color: var(--color-primary);
  border-radius: var(--radius-2xl);
  font-size: var(--font-sm);
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0px 4px 24px rgba(255,255,255,0.15);
}
.btn-primary-large:hover {
  transform: translateY(-2px);
  box-shadow: 0px 8px 32px rgba(255,255,255,0.25);
}

/* ===== FOOTER ===== */
.footer {
  padding: var(--space-2xl) 0;
  background: var(--color-surface-warm);
  border-top: 1px solid var(--color-border);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}
.footer-tagline {
  font-size: var(--font-sm);
  color: var(--color-navy-60);
  margin-top: 6px;
}
.footer-links {
  display: flex;
  gap: var(--space-lg);
}
.footer-links a {
  font-size: var(--font-sm);
  color: var(--color-navy-60);
  font-weight: 500;
  transition: color 0.15s ease;
}
.footer-links a:hover { color: var(--color-primary); }
.footer-copy {
  font-size: var(--font-xs);
  color: var(--color-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .form-card {
    position: static;
    max-width: 600px;
    margin: 0 auto;
  }
  .hero-sub { max-width: 100%; }
}

@media (max-width: 900px) {
  .tier-grid {
    flex-direction: column;
    gap: var(--space-md);
  }
  .tier-arrow {
    flex-direction: row;
    padding: 0;
    justify-content: center;
  }
  .tier-arrow span {
    writing-mode: horizontal-tb;
  }
  .tier-arrow svg {
    transform: rotate(90deg);
  }
}

@media (max-width: 768px) {
  .steps-grid {
    flex-direction: column;
    gap: var(--space-md);
  }
  .step-connector {
    width: 1px;
    height: 24px;
    background: linear-gradient(180deg, var(--color-border) 0%, var(--color-accent) 50%, var(--color-border) 100%);
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .stats-row {
    flex-wrap: wrap;
    gap: var(--space-md);
  }
  .stat-divider { display: none; }
  .field-row { grid-template-columns: 1fr; }
  .footer-links {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero-heading { font-size: clamp(1.875rem, 1.5rem + 1.5vw, 2.5rem); }
  .register-form { padding: var(--space-md); }
  .form-card-header { padding: var(--space-md); }
}