/* ============================================================
   Valdivia Consulting — Stylesheet
   Professional Workday Advisory Website
   ============================================================ */

/* --- Custom Properties --- */
:root {
    --color-primary: #1B2A4A;
    --color-primary-light: #2D4470;
    --color-accent: #E07A3A;
    --color-accent-light: #F09A5E;
    --color-accent-glow: rgba(224, 122, 58, 0.15);
    --color-bg: #FAFBFC;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F3F5F8;
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-glow: 0 0 40px rgba(224, 122, 58, 0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 3.6rem); color: var(--color-primary); }
h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem); color: var(--color-primary); }
h3 { font-size: 1.25rem; font-weight: 600; }

.text-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-top: 16px;
    line-height: 1.7;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}
.btn-primary:hover {
    background: #c96a2e;
    border-color: #c96a2e;
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-border);
}
.btn-outline:hover {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

.btn-full { width: 100%; }

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-primary);
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.nav-link:hover {
    color: var(--color-text);
    background: var(--color-surface-alt);
}

.nav-cta {
    background: var(--color-accent) !important;
    color: #fff !important;
    margin-left: 8px;
}
.nav-cta:hover {
    background: #c96a2e !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- Hero --- */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background: linear-gradient(180deg, #fff 0%, var(--color-surface-alt) 100%);
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, var(--color-accent-glow) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(27, 42, 74, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 860px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--color-accent-glow);
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 28px;
    border: 1px solid rgba(224, 122, 58, 0.2);
}

.hero h1 {
    margin-bottom: 24px;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 72px;
}

.hero-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.proof-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.proof-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.proof-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.proof-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* --- Services --- */
.services {
    padding: 120px 0;
    background: var(--color-surface);
}

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

.service-card {
    padding: 36px 32px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.service-card:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.service-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}
.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-card h3 {
    margin-bottom: 12px;
    color: var(--color-primary);
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
}

.service-tags li {
    padding: 4px 12px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-primary-light);
    background: rgba(27, 42, 74, 0.06);
    border-radius: 100px;
}

/* --- About --- */
.about {
    padding: 120px 0;
    background: var(--color-surface-alt);
}

.about-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: start;
}

.about-content .section-tag { margin-bottom: 16px; }
.about-content h2 { margin-bottom: 24px; }

.about-lead {
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.75;
    margin-bottom: 16px;
}

.about-content > p {
    color: var(--color-text-muted);
    margin-bottom: 40px;
    line-height: 1.7;
}

.about-journey {
    position: relative;
    padding-left: 28px;
    margin-bottom: 40px;
}
.about-journey::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
    border-radius: 2px;
}

.journey-item {
    position: relative;
    padding-bottom: 28px;
}
.journey-item:last-child { padding-bottom: 0; }

.journey-marker {
    position: absolute;
    left: -28px;
    top: 6px;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border: 3px solid var(--color-surface-alt);
    border-radius: 50%;
    z-index: 1;
}

.journey-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.journey-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

.cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cert-badge {
    padding: 6px 14px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-accent);
    background: var(--color-accent-glow);
    border: 1px solid rgba(224, 122, 58, 0.18);
    border-radius: 100px;
}

/* About visual card */
.about-visual {
    position: sticky;
    top: 100px;
}

.visual-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.visual-card-inner {
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.visual-stat {
    display: flex;
    align-items: center;
    gap: 16px;
}

.visual-stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-accent-glow);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}
.visual-stat-icon svg {
    width: 22px;
    height: 22px;
}

.visual-stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.visual-stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* --- Results --- */
.results {
    padding: 120px 0;
    background: var(--color-primary);
}

.results .section-tag { color: var(--color-accent-light); }
.results h2 { color: #fff; }

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.result-card {
    padding: 36px 28px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}
.result-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-4px);
}

.result-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-accent-light);
    margin-bottom: 12px;
}

.result-label {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

/* --- Approach --- */
.approach {
    padding: 120px 0;
    background: var(--color-surface);
}

.approach-steps {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.approach-step {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    padding: 36px 0;
    border-bottom: 1px solid var(--color-border-light);
}
.approach-step:last-child { border-bottom: none; }

.step-number {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.35;
    flex-shrink: 0;
    width: 60px;
    line-height: 1;
}

.step-content h3 {
    margin-bottom: 10px;
    color: var(--color-primary);
}

.step-content p {
    color: var(--color-text-muted);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* --- Contact --- */
.contact {
    padding: 120px 0;
    background: var(--color-surface-alt);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-tag { margin-bottom: 16px; }
.contact-info h2 { margin-bottom: 20px; }
.contact-info > p {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.95rem;
    color: var(--color-text);
    transition: var(--transition);
}
.contact-detail:hover { color: var(--color-accent); }
.contact-detail svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-form-wrap {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 44px 40px;
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group textarea { resize: vertical; }

.form-note {
    text-align: center;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-top: -4px;
}

/* --- Footer --- */
.footer {
    padding: 32px 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border-light);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--color-primary);
}

.footer-brand .logo-mark {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
}

.footer-copy {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .results-grid { grid-template-columns: repeat(2, 1fr); }
    .about-layout { grid-template-columns: 1fr; gap: 48px; }
    .about-visual { position: static; }
    .contact-layout { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        transform: translateY(-110%);
        transition: var(--transition);
        opacity: 0;
    }
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    .nav-link { padding: 14px 16px; width: 100%; }
    .nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }
    .nav-toggle { display: flex; }

    .hero { padding: 130px 0 80px; }
    .hero h1 br { display: none; }

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

    .hero-proof { gap: 24px; }
    .proof-divider { display: none; }
    .hero-proof { flex-direction: column; }

    .approach-step { flex-direction: column; gap: 12px; }
    .step-number { width: auto; }

    .contact-form-wrap { padding: 28px 24px; }

    .footer-content { flex-direction: column; gap: 12px; text-align: center; }

    .section-header h2 br { display: none; }
    .results .section-header h2 br { display: none; }
}

@media (max-width: 480px) {
    h1 { font-size: 1.9rem; }
    h2 { font-size: 1.6rem; }
    .hero-sub { font-size: 1rem; }
    .container { padding: 0 16px; }
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}