/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #f6f7fb;
    --surface: #ffffff;
    --surface-2: #f2f4f8;
    --ink: #0b1220;
    --muted: #4b5563;
    --muted-2: #6b7280;
    --line: rgba(15, 23, 42, 0.10);
    --line-2: rgba(15, 23, 42, 0.16);
    --navy: #0b2d4d;
    --emerald: #0e7c66;
    --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
 }

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--ink);
    background-color: var(--bg);
    background-image:
        radial-gradient(900px 420px at 12% 8%, rgba(14, 124, 102, 0.10), transparent 60%),
        radial-gradient(820px 420px at 82% 14%, rgba(11, 45, 77, 0.10), transparent 62%),
        radial-gradient(760px 380px at 62% 0%, rgba(245, 158, 11, 0.08), transparent 60%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--ink);
}

.section-description {
    font-size: 1.125rem;
    color: var(--muted);
    margin-bottom: 2rem;
    max-width: 600px;
}

.gradient-text {
    color: inherit;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 14px;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, rgba(14, 124, 102, 1), rgba(11, 45, 77, 0.92));
    color: #ffffff;
    box-shadow: 0 14px 30px rgba(14, 124, 102, 0.22);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 38px rgba(14, 124, 102, 0.26);
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(11, 45, 77, 0.16);
}

.btn-outline {
    border: 2px solid var(--line-2);
    color: var(--ink);
    background: var(--surface);
}

.btn-outline:hover {
    border-color: rgba(11, 45, 77, 0.55);
    color: var(--navy);
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 16px;
    height: 16px;
    margin-left: 8px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-scrolled {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 34px rgba(15, 23, 42, 0.10);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: #ffffff;
    background: linear-gradient(135deg, rgba(11, 45, 77, 1), rgba(14, 124, 102, 0.92));
    box-shadow: 0 10px 26px rgba(11, 45, 77, 0.18);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: #667eea;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ink);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--navy);
}

.nav-mobile {
    display: none;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--ink);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: var(--bg);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(780px 420px at 20% 20%, rgba(14, 124, 102, 0.14), transparent 60%),
        radial-gradient(820px 460px at 88% 28%, rgba(11, 45, 77, 0.12), transparent 62%);
    opacity: 1;
    pointer-events: none;
 }

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}

.eyebrow {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.portrait-name {
    font-weight: 750;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 10px;
}

.hero-name {
    margin-top: 10px;
    margin-bottom: 16px;
    font-size: 1.05rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--ink);
    letter-spacing: -0.03em;
}

.hero-title strong,
.hero-title em {
    font-style: normal;
}

.hero-title {
    background-image: linear-gradient(90deg, rgba(11, 45, 77, 1), rgba(14, 124, 102, 0.92));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--muted);
    margin-bottom: 32px;
    line-height: 1.65;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

.hero-cta.hero-cta-row {
    flex-direction: row;
    align-items: center;
    gap: 14px;
    flex-wrap: nowrap;
}

.hero-cta.hero-cta-row .btn {
    width: auto;
}

.hero-cta-mobile {
    display: none;
}

.hero-cta.hero-cta-row .btn-large {
    min-height: 56px;
    line-height: 1.15;
}

.hero-metrics {
    margin-top: 26px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.metric {
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 14px 12px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.metric-value {
    font-weight: 700;
    color: var(--navy);
    letter-spacing: -0.02em;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--muted-2);
    margin-top: 4px;
}

@media (max-width: 768px) {
  .hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero-description {
    display: none;
  }

  .hero-cta.hero-cta-row {
    display: none;
  }

  .hero-cta.hero-cta-mobile {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    align-items: center;
  }

  .hero-cta.hero-cta-mobile .btn {
    width: 100%;
    max-width: 420px;
  }

  .hero-metrics {
    display: none;
  }

  .hero-cta.hero-cta-row {
    flex-direction: row;
    align-items: stretch;
    justify-content: center;
    width: 100%;
    flex-wrap: wrap;
  }
  
  .hero-cta .btn {
    margin-left: 0;
    margin-right: 0;
    width: 100%;
    max-width: 360px;
  }

  .hero-cta.hero-cta-row .btn {
    width: auto;
    max-width: none;
    flex: 1 1 220px;
  }
  
  .hero-note {
    margin-top: 15px;
    width: 100%;
  }
}

/* Hero Visual */
.portrait-card {
    position: relative;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.portrait-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.16);
}

.portrait-frame {
    padding: 14px;
}

.portrait {
    display: block;
    width: 100%;
    margin: 0 auto;
    height: auto;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--surface);
    object-fit: contain;
}

.problem-item,
.format-card,
.result-card,
.levels-col,
.stack,
.contact-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.problem-item:hover,
.format-card:hover,
.result-card:hover,
.levels-col:hover,
.stack:hover,
.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 42px rgba(15, 23, 42, 0.10);
    border-color: rgba(15, 23, 42, 0.16);
}

.portrait-meta {
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.86);
    padding: 14px 18px;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.875rem;
    color: var(--muted);
}

.meta-row + .meta-row {
    margin-top: 8px;
}

.meta-key {
    color: var(--muted-2);
}

.meta-val {
    color: var(--ink);
    font-weight: 600;
    text-align: right;
}

.diagram-surface {
    display: none;
}

/* Problem Section */
.problem {
    padding: 80px 0;
    background: var(--surface);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 60px;
}

.problem-item {
    text-align: left;
    padding: 24px 22px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.90));
    border: 1px solid var(--line);
    border-left: 4px solid rgba(245, 158, 11, 0.55);
    position: relative;
}

.problem-item::before {
    content: "!";
    position: absolute;
    top: 16px;
    right: 16px;
    width: 26px;
    height: 26px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    font-weight: 900;
    font-size: 13px;
    color: rgba(120, 53, 15, 0.95);
    background: rgba(245, 158, 11, 0.16);
    border: 1px solid rgba(245, 158, 11, 0.22);
}

.problem-item h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--ink);
    letter-spacing: -0.02em;
}

.problem-item p {
    color: var(--muted);
    line-height: 1.55;
    font-size: 0.98rem;
}

.problem-item-emphasis {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.06), rgba(245, 158, 11, 0.08));
    border-color: rgba(239, 68, 68, 0.18);
    border-left-color: rgba(239, 68, 68, 0.50);
}

.problem-item-emphasis::before {
    content: "⚠";
    color: rgba(153, 27, 27, 0.95);
    background: rgba(239, 68, 68, 0.14);
    border-color: rgba(239, 68, 68, 0.20);
}

.problem-final {
    font-size: 1.05rem;
    color: var(--ink);
    font-weight: 600;
}

/* Formats */
.formats {
    padding: 80px 0;
    background: var(--bg);
}

.formats-header {
    text-align: left;
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.format-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.90));
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 26px 22px;
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06);
    display: flex;
    flex-direction: column;
}

.format-card-highlight {
    border-color: rgba(14, 124, 102, 0.35);
    box-shadow: 0 18px 55px rgba(14, 124, 102, 0.10);
}

.format-head h3 {
    font-size: 1.25rem;
    line-height: 1.2;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.format-subtitle {
    color: var(--muted);
    margin-bottom: 18px;
}

.format-label {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    background: rgba(11, 45, 77, 0.06);
    color: var(--navy);
    margin-bottom: 14px;
}

.format-list {
    padding-left: 18px;
    color: var(--muted);
    margin-bottom: 18px;
}

.format-list li {
    margin-bottom: 8px;
}

.format-price {
    margin-top: auto;
    border-top: 1px solid var(--line);
    padding-top: 16px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.price-row strong {
    color: var(--ink);
    font-weight: 700;
    white-space: nowrap;
}

.format-actions {
    margin-top: 16px;
}

/* Levels */
.levels {
    padding: 80px 0;
    background: var(--surface);
}

.levels-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 32px;
}

.levels-col {
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 26px 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.90));
}

.levels-col-accent {
    border-color: rgba(11, 45, 77, 0.20);
    background: rgba(11, 45, 77, 0.03);
}

.levels-title {
    font-size: 1.2rem;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}

.levels-list {
    padding-left: 18px;
    color: var(--muted);
}

.levels-list li {
    margin-bottom: 8px;
}

.levels-final {
    margin-top: 22px;
    color: var(--ink);
    font-weight: 600;
}

/* Results */
.results {
    padding: 80px 0;
    background: var(--bg);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 32px;
    align-items: stretch;
}

.result-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.90));
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.result-card h3 {
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    min-height: 2.6em;
}

.result-metric {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--navy);
    letter-spacing: -0.03em;
    margin-bottom: 10px;
    min-height: 2.2em;
    display: flex;
    align-items: flex-end;
}

.result-card p {
    color: var(--muted);
    margin-top: 0;
}

/* Why */
.why {
    padding: 80px 0;
    background: var(--surface);
}

.why-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 36px;
    align-items: start;
}

.why-list {
    padding-left: 18px;
    color: var(--muted);
    margin-top: 18px;
}

.why-list li {
    margin-bottom: 10px;
}

.why-final {
    margin-top: 18px;
    color: var(--ink);
    font-weight: 600;
}

.stack {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 36px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.stack-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-weight: 600;
}

.stack-row:last-child {
    border-bottom: none;
}

.stack-tag {
    font-weight: 700;
    color: var(--emerald);
}

/* How */
.how {
    padding: 56px 0;
    background: var(--bg);
}

.how-content {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 32px;
    align-items: start;
}

.how-steps {
    margin-top: 14px;
    padding-left: 18px;
    color: var(--muted);
}

.how-steps li {
    margin-bottom: 8px;
}

.how-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.70));
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
    padding: 22px 20px;
}

.how-card-title {
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.how-card-list {
    padding-left: 18px;
    color: var(--muted);
    margin-bottom: 16px;
}

.how-card-list li {
    margin-bottom: 8px;
}

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

/* Request */
.request {
    padding: 80px 0;
    background: var(--surface);
}

.request-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.request-text {
    max-width: 520px;
}

.request-points {
    margin-top: 18px;
    padding-left: 18px;
    color: var(--muted);
}

.request-points li {
    margin-bottom: 10px;
}

.lead-form {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 26px 22px;
    box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--muted-2);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--line-2);
    background: #ffffff;
    font-family: inherit;
    font-size: 1rem;
    color: var(--ink);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(14, 124, 102, 0.55);
    box-shadow: 0 0 0 4px rgba(14, 124, 102, 0.12);
}

.form-actions {
    margin-top: 14px;
}

.form-trust {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--muted);
}

.form-note {
    margin-top: 10px;
    font-size: 0.875rem;
    color: var(--muted);
}

.form-note a {
    color: var(--navy);
}

/* Contacts */
.contacts {
    padding: 70px 0;
    background: var(--bg);
}

.contacts-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.contact-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 12px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.65);
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-card:hover {
    transform: translateY(-2px);
    border-color: rgba(11, 45, 77, 0.22);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.10);
}

/* TestManager */
.testmanager {
    padding: 80px 0;
    background: var(--surface);
}

.testmanager-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
}

.testmanager-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
    padding: 26px 22px;
}

.testmanager-list {
    padding-left: 18px;
    color: var(--muted);
}

.testmanager-list li {
    margin-bottom: 10px;
}

.testmanager-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

@media (max-width: 768px) {
  .solution-content {
    text-align: center;
  }
  
  .solution-text {
    text-align: center;
    padding: 0 16px;
  }
  
  .solution-text .section-title,
  .solution-text .section-description {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
  }
  
  .solution-features {
    margin-top: 30px;
  }
  
  .feature-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .feature-icon {
    margin-bottom: 12px;
  }
  
  .workflow-diagram {
    flex-direction: column;
    margin-top: 40px;
  }
  
  .workflow-arrow {
    transform: rotate(90deg);
    margin: 10px 0;
  }
}

/* Workflow Diagram */
.workflow-diagram {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

.workflow-step {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    max-width: 200px;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin: 0 auto 16px;
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.step-content p {
    font-size: 14px;
    color: #6b7280;
}

.workflow-arrow {
    font-size: 1.5rem;
    color: #667eea;
    font-weight: bold;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.features-header {
    text-align: center;
    margin-bottom: 60px;
}

.features-header .section-description {
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.feature-card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
}

.feature-card-icon svg {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Social Proof Section */
.social-proof {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.social-proof-content {
    text-align: center;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin: 60px 0;
}

.testimonial {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-size: 1.125rem;
    line-height: 1.6;
    color: #374151;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a1a;
}

.author-info span {
    font-size: 14px;
    color: #6b7280;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: #6b7280;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: white;
}

.pricing-header {
    text-align: center;
    margin-bottom: 60px;
}

.pricing-header .section-description {
    margin-left: auto;
    margin-right: auto;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card-popular {
    border-color: #667eea;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.pricing-header-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 16px;
    gap: 4px;
    flex-wrap: wrap;
}

.price-currency {
    font-size: 1.25rem;
    font-weight: 500;
    color: #6b7280;
}

.price-amount {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1a1a1a;
}

.price-period {
    font-size: 1rem;
    color: #6b7280;
    white-space: nowrap;
}

.pricing-description {
    color: #6b7280;
    margin-bottom: 32px;
}

.pricing-features {
    text-align: left;
    margin-bottom: 32px;
}

.feature {
    padding: 8px 0;
    font-size: 14px;
    color: #374151;
}

.pricing-card .btn-full {
    margin-top: auto;
    align-self: flex-end;
}

/* Pricing Note */
.pricing-note {
    margin-top: 40px;
    padding: 24px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.pricing-note-content {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-note-icon {
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-note-text {
    flex: 1;
}

.pricing-note-text p {
    margin: 0;
    font-size: 16px;
    line-height: 1.5;
    color: #374151;
}

.pricing-note-text strong {
    color: #1a1a1a;
    font-weight: 600;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: white;
    color: #667eea;
}

.cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.cta .btn-outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.cta .btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: translateY(-2px);
}

.cta-note {
    opacity: 0.8;
    font-size: 14px;
}

/* Callback Form */
.callback-form {
    display: flex;
    align-items: center;
}

.phone-form {
    display: flex;
    align-items: center;
}

.phone-input-group {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.phone-input {
    background: transparent;
    border: none;
    color: white;
    font-size: 16px;
    padding: 12px 16px;
    border-radius: 8px;
    width: 200px;
    outline: none;
}

.phone-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.phone-input:focus {
    background: rgba(255, 255, 255, 0.1);
}

.btn-icon-left {
    width: 16px;
    height: 16px;
    margin-right: 8px;
}

/* Footer */
.footer {
    background: var(--ink);
    color: #ffffff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-contacts {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.footer-contacts-title {
    font-size: 1rem;
    font-weight: 650;
    color: #ffffff;
    margin: 0;
}

.footer-brand .logo-text {
    color: white;
}

.footer-description {
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.70);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.footer-column a {
    display: block;
    color: #9ca3af;
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.footer-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 18px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.70);
    text-decoration: none;
}

.footer-legal a:hover {
    color: #ffffff;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social-link {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.78);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.footer-social-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.10);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .format-grid {
        grid-template-columns: 1fr;
    }

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

    .why-content {
        grid-template-columns: 1fr;
    }

    .request-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-mobile {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }

    .eyebrow {
        margin-bottom: 10px;
    }
    
    .hero-title {
        margin-bottom: 14px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-cta {
        align-items: center;
    }

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

    .problem,
    .formats,
    .testmanager,
    .levels,
    .results,
    .why,
    .how,
    .request {
        padding: 56px 0;
    }

    .problem .section-title,
    .formats-header,
    .formats-header .section-description {
        text-align: center;
    }

    .formats-header .section-description {
        margin-left: auto;
        margin-right: auto;
    }

    .testmanager-content {
        grid-template-columns: 1fr;
    }

    .testmanager .section-title,
    .testmanager .section-description {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .testmanager-card {
        text-align: left;
    }

    .levels-grid {
        grid-template-columns: 1fr;
    }

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

    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .phone-input-group {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    
    .phone-input {
        width: 100%;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-contacts {
        align-items: flex-start;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .contacts-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-links-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-btn {
        position: relative;
        z-index: 1001;
    }
    
    .mobile-menu-open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-open span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-open span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* Loading States */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Pricing Card Selection */
.pricing-card.selected {
    border-color: #667eea;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.2);
    transform: translateY(-4px);
}

/* Lazy Loading */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

img.lazy.loaded {
    opacity: 1;
}

/* Scroll Animations */
.problem-item,
.format-card,
.levels-col,
.result-card,
.contact-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.problem-item.animate-in,
.format-card.animate-in,
.levels-col.animate-in,
.result-card.animate-in,
.contact-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: slideUp 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 0;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #6b7280;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background-color: #f3f4f6;
    color: #1a1a1a;
}

.modal-body {
    padding: 0 24px 24px;
}

.modal-description {
    color: #6b7280;
    margin-bottom: 24px;
    line-height: 1.5;
}

.pricing-form .form-group {
    margin-bottom: 20px;
}

.pricing-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #374151;
    font-size: 0.875rem;
}

.pricing-form input,
.pricing-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
    font-family: inherit;
}

.pricing-form input:focus,
.pricing-form textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.pricing-form textarea {
    resize: vertical;
    min-height: 80px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-header,
    .modal-body {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* Modal checkbox styles - updated */
.pricing-form .form-group#consents {
    margin: 20px 0;
}

.pricing-form .form-group#consents label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 0;
    padding: 4px 0;
    cursor: pointer;
}

.pricing-form .form-group#consents input[type="checkbox"] {
    margin: 2px 0 0 0;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.pricing-form .form-group#consents span {
    display: inline-block;
    font-size: 14px;
    line-height: 1.4;
    color: #374151;
    text-align: left;
}

.pricing-form .form-group#consents a {
    color: #667eea;
    text-decoration: none;
}

.pricing-form .form-group#consents a:hover {
    text-decoration: underline;
}

/* Mobile styles for Solution section */
@media (max-width: 768px) {
  .solution-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .solution-text {
    padding: 0 16px;
  }
  
  .solution-text .section-title,
  .solution-text .section-description {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
  }
  
  .solution-features {
    margin-top: 30px;
  }
  
  .feature-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .feature-icon {
    margin-bottom: 12px;
  }
}
