/*
Theme Name: Alfa Operacional Theme
Theme URI: https://alfa-operacional.takayama-advisory.com
Author: Takayama Advisory
Author URI: https://takayama-advisory.com
Description: Tema proprietário para a landing page da Alfa Operacional — braço de capacitação em Prevenção a Fraudes da Takayama Advisory.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 7.4
License: Proprietary
License URI: https://takayama-advisory.com
Text Domain: alfa-operacional
*/

/* ========== RESET & VARIABLES ========== */
:root {
    --color-bg: #0a0a0a;
    --color-bg-elevated: #111111;
    --color-bg-card: #161616;
    --color-bg-card-hover: #1a1a1a;
    --color-surface: #1c1c1c;
    --color-border: #222222;
    --color-border-light: #2a2a2a;
    --color-text: #f0f0f0;
    --color-text-secondary: #999999;
    --color-text-muted: #666666;
    --color-accent: #c8382e;
    --color-accent-hover: #a82d24;
    --color-accent-soft: rgba(200, 56, 46, 0.08);
    --color-accent-glow: rgba(200, 56, 46, 0.15);
    --color-white: #ffffff;
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

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

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.section-label::before {
    content: '';
    width: 20px;
    height: 1px;
    background: var(--color-accent);
}

.section-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.15;
    color: var(--color-white);
    margin-bottom: 20px;
}

.section-description {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    padding: 14px 28px;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    padding: 14px 28px;
    border: 1px solid var(--color-border-light);
}

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

.btn-arrow {
    width: 18px;
    height: 18px;
}

/* ========== NAV ========== */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: var(--transition);
}

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

.nav-brand {
    display: flex;
    flex-direction: column;
}

.nav-brand-name {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-white);
}

.nav-brand-sub {
    font-size: 0.65rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    margin-top: 1px;
}

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

.nav-links a {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    transition: var(--transition);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--color-white);
}

.nav-cta {
    font-size: 0.82rem !important;
    font-weight: 600;
    color: var(--color-white) !important;
    background: var(--color-accent);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--color-accent-hover);
}

/* Mobile menu toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-white);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    margin: 5px 0;
    transition: var(--transition);
}

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

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

.hero-bg::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    animation: pulse-slow 8s ease-in-out infinite alternate;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200, 56, 46, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
}

@keyframes pulse-slow {
    0% { opacity: 0.5; transform: scale(1); }
    100% { opacity: 0.8; transform: scale(1.1); }
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 28px;
    opacity: 0;
    animation: fadeUp 0.8s 0.2s ease forwards;
}

.hero-eyebrow .dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    display: inline-block;
}

.hero h1 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    line-height: 1.08;
    color: var(--color-white);
    margin-bottom: 28px;
    opacity: 0;
    animation: fadeUp 0.8s 0.35s ease forwards;
}

.hero h1 em {
    font-style: italic;
    color: var(--color-accent);
}

.hero-desc {
    font-size: 1.12rem;
    line-height: 1.75;
    color: var(--color-text-secondary);
    max-width: 580px;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeUp 0.8s 0.5s ease forwards;
}

.hero-desc strong {
    color: var(--color-text);
    font-weight: 600;
}

.hero-ctas {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s 0.65s ease forwards;
}

.hero-proof {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    opacity: 0;
    animation: fadeUp 0.8s 0.8s ease forwards;
}

.hero-proof-item {
    display: flex;
    flex-direction: column;
}

.hero-proof-number {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-white);
    line-height: 1.1;
}

.hero-proof-label {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    margin-top: 4px;
    letter-spacing: 0.02em;
}

.hero-proof-divider {
    width: 1px;
    height: 36px;
    background: var(--color-border);
}

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

/* ========== PROBLEM / CONTEXT ========== */
.problem {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
}

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

.problem-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.problem-stat {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}

.problem-stat-number {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: var(--color-accent);
    min-width: 120px;
}

.problem-stat-text {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.problem-right {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.problem-right h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: 24px;
}

.problem-list li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.problem-list li::before {
    content: '→';
    color: var(--color-accent);
    font-weight: 600;
    flex-shrink: 0;
    margin-top: 1px;
}

.problem-cta-text {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.problem-cta-text strong {
    color: var(--color-text);
}

/* ========== METHODOLOGY ========== */
.methodology {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
}

.method-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 72px;
}

.method-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.method-pillar {
    background: var(--color-bg-card);
    padding: 40px 32px;
    transition: var(--transition);
}

.method-pillar:hover {
    background: var(--color-bg-card-hover);
}

.method-pillar-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: rgba(200, 56, 46, 0.15);
    line-height: 1;
    margin-bottom: 24px;
}

.method-pillar h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--color-white);
    margin-bottom: 16px;
    line-height: 1.25;
}

.method-pillar p {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.method-pillar-tag {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-accent-soft);
    padding: 5px 10px;
    border-radius: 4px;
    margin-top: 20px;
}

.method-footer {
    text-align: center;
    margin-top: 48px;
    padding: 32px;
    background: var(--color-accent-soft);
    border: 1px solid rgba(200, 56, 46, 0.12);
    border-radius: var(--radius-md);
}

.method-footer p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.method-footer strong {
    color: var(--color-white);
}

/* ========== PRODUCTS ========== */
.products {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 64px;
}

.products-header .section-description {
    text-align: right;
}

.product-tier {
    margin-bottom: 64px;
}

.product-tier:last-child {
    margin-bottom: 0;
}

.tier-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2px;
    background: var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.product-card {
    background: var(--color-bg-card);
    padding: 36px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    background: var(--color-bg-card-hover);
}

.product-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.product-format {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-accent-soft);
    padding: 5px 10px;
    border-radius: 4px;
}

.product-duration {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.product-card h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--color-white);
    margin-bottom: 12px;
    line-height: 1.25;
}

.product-card > p {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    flex: 1;
}

.product-details {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.product-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.82rem;
}

.product-detail-label {
    color: var(--color-text-muted);
}

.product-detail-value {
    color: var(--color-text);
    font-weight: 500;
}

.product-outcome {
    margin-top: 20px;
    padding: 14px 16px;
    background: var(--color-accent-soft);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.product-outcome strong {
    color: var(--color-accent);
}

/* ========== CERTIFICATION ========== */
.certification {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
    position: relative;
}

.certification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, var(--color-accent-glow) 0%, transparent 70%);
    filter: blur(100px);
    pointer-events: none;
}

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

.cert-content .section-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
}

.cert-highlight {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.cert-highlight strong {
    color: var(--color-white);
}

.cert-modules {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.cert-module {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    padding: 12px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.cert-module-number {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-accent);
    min-width: 24px;
}

.cert-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
}

.cert-card-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
    margin-bottom: 24px;
    color: var(--color-accent);
}

.cert-card h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--color-white);
    margin-bottom: 8px;
}

.cert-card-sub {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.cert-card-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
    margin-bottom: 32px;
}

.cert-card-detail {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.cert-card-detail .label { color: var(--color-text-muted); }
.cert-card-detail .value { color: var(--color-text); font-weight: 500; }

/* ========== ECOSYSTEM ========== */
.ecosystem {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
}

.eco-header {
    text-align: center;
    margin-bottom: 64px;
}

.eco-header .section-label {
    justify-content: center;
}

.eco-header .section-description {
    margin: 0 auto;
}

.eco-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.eco-card {
    background: var(--color-bg-card);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.eco-card:hover {
    background: var(--color-bg-card-hover);
}

.eco-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-accent);
}

.eco-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: 8px;
}

.eco-card-type {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.eco-card p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.eco-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    padding: 24px;
    flex-wrap: wrap;
}

.eco-flow-step {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    padding: 10px 18px;
    border: 1px solid var(--color-border);
    border-radius: 100px;
}

.eco-flow-arrow {
    color: var(--color-accent);
    font-size: 0.9rem;
}

/* ========== AUDIENCE ========== */
.audience {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
}

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

.audience-profiles {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.audience-profile {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.audience-profile:hover {
    border-color: var(--color-border-light);
    background: var(--color-bg-card-hover);
}

.audience-profile-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-accent);
}

.audience-profile h4 {
    font-size: 0.95rem;
    color: var(--color-white);
    margin-bottom: 4px;
    font-weight: 600;
}

.audience-profile p {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ========== ABOUT ========== */
.about {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 80px;
    align-items: start;
}

.about-photo {
    position: relative;
}

.about-photo img {
    width: 100%;
    border-radius: var(--radius-lg);
    filter: grayscale(20%);
    aspect-ratio: 1;
    object-fit: cover;
}

.about-photo-overlay {
    position: absolute;
    bottom: -16px;
    left: -16px;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.about-bio p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.75;
    margin-bottom: 20px;
}

.about-bio strong {
    color: var(--color-text);
}

.about-credentials {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.about-credential {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: 100px;
}

.about-credential svg {
    width: 14px;
    height: 14px;
    color: var(--color-accent);
}

/* ========== CTA / CONTACT ========== */
.cta-section {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 500px;
    background: radial-gradient(ellipse, var(--color-accent-glow) 0%, transparent 70%);
    filter: blur(120px);
    pointer-events: none;
}

.cta-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.cta-content .section-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
}

.cta-content > p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.cta-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.cta-form h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-white);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 6px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.88rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-submit {
    width: 100%;
    margin-top: 8px;
    padding: 14px;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.form-submit:hover {
    background: var(--color-accent-hover);
}

/* ========== FOOTER ========== */
.site-footer {
    padding: 48px 0;
    border-top: 1px solid var(--color-border);
}

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

.footer-brand {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.footer-brand strong {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 4px;
}

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

.footer-links a {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-text);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-toggle { display: block; }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: 24px;
        gap: 16px;
    }

    .hero h1 { font-size: 2.4rem; }
    .hero-proof { flex-wrap: wrap; gap: 20px; }

    .problem-grid,
    .method-header,
    .audience-grid,
    .about-grid,
    .cta-inner,
    .cert-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .method-pillars,
    .eco-grid {
        grid-template-columns: 1fr;
    }

    .product-cards {
        grid-template-columns: 1fr;
    }

    .cert-modules {
        grid-template-columns: 1fr;
    }

    .products-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .products-header .section-description {
        text-align: left;
    }

    .about-grid {
        grid-template-columns: 200px 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .eco-flow {
        flex-direction: column;
    }

    .eco-flow-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 600px) {
    .about-grid { grid-template-columns: 1fr; }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { width: 100%; justify-content: center; }
    .cta-buttons { flex-direction: column; }
    .cta-buttons .btn { width: 100%; justify-content: center; }
    .hero-proof { gap: 16px; }
    .hero-proof-divider { display: none; }
    .hero-proof { display: grid; grid-template-columns: 1fr 1fr; }
}