/* assets/css/style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0A2A4A;
    --primary-light: #1a3a5a;
    --primary-gradient: linear-gradient(145deg, #0A2A4A, #1a4a6a);
    --secondary: #8A9FB5;
    --tertiary: #F0F4FE;
    --accent: #4CD9A0;
    --accent-dark: #3abf8a;
    --bg-white: #ffffff;
    --text-dark: #0A2A4A;
    --text-muted: #6a7a9a;
    --border-light: #e8edf8;
    --shadow: 0 20px 60px rgba(10, 42, 74, 0.08);
    --shadow-hover: 0 30px 80px rgba(10, 42, 74, 0.15);
    --radius: 20px;
    --radius-sm: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- NAVIGATION --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(232, 237, 248, 0.5);
    transition: var(--transition);
}
.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(10, 42, 74, 0.08);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 24px;
    font-weight: 900;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}
.nav-logo .accent {
    color: var(--accent);
}
.nav-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 18px;
}
.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    list-style: none;
}
.nav-links a {
    text-decoration: none;
    color: var(--secondary);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}
.nav-links a:hover {
    color: var(--primary);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}
.nav-links a:hover::after {
    width: 100%;
}
.nav-cta {
    background: var(--primary-gradient);
    color: white !important;
    padding: 10px 28px;
    border-radius: 60px;
    font-weight: 600 !important;
    transition: var(--transition);
}
.nav-cta::after {
    display: none !important;
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(10, 42, 74, 0.25);
    color: white !important;
}
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.mobile-toggle span {
    width: 28px;
    height: 2.5px;
    background: var(--text-dark);
    border-radius: 4px;
    transition: var(--transition);
}

/* --- HERO --- */
.hero {
    padding: 140px 32px 80px 32px;
    background: linear-gradient(170deg, var(--tertiary) 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(76, 217, 160, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(10, 42, 74, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(76, 217, 160, 0.12);
    color: var(--text-dark);
    padding: 8px 18px;
    border-radius: 60px;
    font-size: 13px;
    font-weight: 600;
    width: fit-content;
    border: 1px solid rgba(76, 217, 160, 0.2);
}
.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -2px;
    color: var(--text-dark);
}
.hero-title .highlight {
    background: linear-gradient(135deg, var(--accent), #3abf8a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 18px;
    color: var(--secondary);
    max-width: 480px;
    line-height: 1.7;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 8px;
}
.btn-primary-hero {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 16px 40px;
    border-radius: 60px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
    box-shadow: 0 8px 24px rgba(10, 42, 74, 0.2);
}
.btn-primary-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(10, 42, 74, 0.3);
}
.btn-outline-hero {
    background: transparent;
    color: var(--text-dark);
    border: 1.5px solid var(--border-light);
    padding: 16px 40px;
    border-radius: 60px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}
.btn-outline-hero:hover {
    border-color: var(--primary);
    background: var(--tertiary);
}
.hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 12px;
}
.hero-stats .stat {
    display: flex;
    flex-direction: column;
}
.hero-stats .stat .number {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-dark);
}
.hero-stats .stat .label {
    font-size: 14px;
    color: var(--secondary);
}
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.hero-phone-mockup {
    width: 340px;
    height: 680px;
    background: var(--primary-gradient);
    border-radius: 40px;
    padding: 16px;
    box-shadow: 0 40px 80px rgba(10, 42, 74, 0.2);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.hero-phone-mockup .mockup-content {
    background: rgba(255, 255, 255, 0.06);
    border-radius: 28px;
    padding: 30px 24px;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}
.mockup-content .amount {
    font-size: 42px;
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 4px;
}
.mockup-content .amount .accent {
    color: var(--accent);
}
.mockup-content .label {
    font-size: 14px;
    opacity: 0.6;
    margin-bottom: 16px;
}
.mockup-content .progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 6px;
    margin: 8px 0;
    overflow: hidden;
}
.mockup-content .progress-bar .fill {
    height: 100%;
    width: 78%;
    background: var(--accent);
    border-radius: 6px;
    animation: progressGrow 2s ease-in-out infinite;
}
@keyframes progressGrow {
    0%, 100% { width: 78%; }
    50% { width: 92%; }
}
.mockup-content .row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-size: 13px;
    opacity: 0.7;
    padding: 4px 0;
}
.mockup-content .badge-row {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}
.mockup-content .badge-row .badge {
    background: rgba(255,255,255,0.1);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 11px;
    font-weight: 600;
}
.hero-float-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 3s ease-in-out infinite;
}
.hero-float-card:nth-child(2) {
    top: 20px;
    right: -40px;
    animation-delay: 0.5s;
}
.hero-float-card:nth-child(3) {
    bottom: 40px;
    left: -50px;
    animation-delay: 1s;
}
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
.hero-float-card .icon {
    font-size: 28px;
}
.hero-float-card .text .title {
    font-weight: 700;
    font-size: 14px;
    color: var(--text-dark);
}
.hero-float-card .text .sub {
    font-size: 12px;
    color: var(--secondary);
}

/* --- SECTION COMMON --- */
.section {
    padding: 80px 32px;
    max-width: 1200px;
    margin: 0 auto;
}
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px auto;
}
.section-header .tag {
    display: inline-block;
    background: rgba(76, 217, 160, 0.1);
    color: var(--text-dark);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 60px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 12px;
}
.section-header h2 .highlight {
    background: linear-gradient(135deg, var(--accent), #3abf8a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-header p {
    font-size: 18px;
    color: var(--secondary);
    line-height: 1.6;
}

/* --- INTRO --- */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.intro-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.intro-content .tag {
    display: inline-block;
    background: rgba(76, 217, 160, 0.1);
    color: var(--text-dark);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 60px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    width: fit-content;
}
.intro-content h2 {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
}
.intro-content h2 .highlight {
    color: var(--accent);
}
.intro-content p {
    font-size: 16px;
    color: var(--secondary);
    line-height: 1.7;
}
.intro-content .check-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 8px;
}
.intro-content .check-list .item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 500;
}
.intro-content .check-list .item .icon {
    width: 24px;
    height: 24px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}
.intro-visual .placeholder {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 4/3;
    background: var(--tertiary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    border: 1px solid var(--border-light);
}

/* --- FEATURES --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    text-align: center;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}
.feature-card .icon {
    font-size: 44px;
    margin-bottom: 16px;
    display: block;
}
.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}
.feature-card p {
    font-size: 15px;
    color: var(--secondary);
    line-height: 1.6;
}

/* --- PRODUCTS --- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}
.product-card .product-icon {
    font-size: 44px;
    margin-bottom: 12px;
    display: block;
}
.product-card .product-tag {
    display: inline-block;
    background: rgba(76, 217, 160, 0.1);
    color: var(--accent-dark);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 30px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.product-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 6px;
}
.product-card .product-rate {
    font-size: 32px;
    font-weight: 900;
    color: var(--accent);
    margin: 8px 0 4px 0;
}
.product-card .product-rate .period {
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary);
}
.product-card .product-desc {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}
.product-card .product-features {
    list-style: none;
    padding: 0;
    margin: 12px 0 16px 0;
}
.product-card .product-features li {
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--secondary);
}
.product-card .product-features li .check {
    color: var(--accent);
    font-weight: 700;
}
.btn-product {
    width: 100%;
    background: var(--tertiary);
    color: var(--text-dark);
    border: 1px solid var(--border-light);
    padding: 14px;
    border-radius: 60px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}
.btn-product:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.btn-product.primary {
    background: var(--primary-gradient);
    color: white;
    border: none;
}
.btn-product.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(10, 42, 74, 0.2);
}
.product-card.popular {
    border-color: var(--accent);
    background: linear-gradient(180deg, #ffffff, var(--tertiary));
}
.product-card.popular .popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 4px 16px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 700;
}

/* --- CALCULATOR --- */
.calculator-wrapper {
    background: var(--tertiary);
    border-radius: var(--radius);
    padding: 48px 56px;
    border: 1px solid var(--border-light);
}
.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.calculator-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.calculator-form .form-group label {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-dark);
}
.calculator-form .form-group .input-wrap {
    position: relative;
}
.calculator-form .form-group .input-wrap input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    background: white;
    transition: var(--transition);
    outline: none;
}
.calculator-form .form-group .input-wrap input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10, 42, 74, 0.1);
}
.calculator-form .form-group .input-wrap .prefix {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 600;
    color: var(--secondary);
}
.calculator-form .form-group .input-wrap input {
    padding-left: 30px;
}
.calculator-form .slider-group {
    padding: 8px 0;
}
.calculator-form .slider-group input[type="range"] {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    background: var(--border-light);
    border-radius: 4px;
    outline: none;
    transition: var(--transition);
}
.calculator-form .slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: var(--transition);
}
.calculator-form .slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}
.calculator-form .slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--secondary);
}
.calculator-results {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--border-light);
    text-align: center;
}
.calculator-results .result-label {
    font-size: 14px;
    color: var(--secondary);
}
.calculator-results .result-amount {
    font-size: 48px;
    font-weight: 900;
    color: var(--text-dark);
    margin: 8px 0;
}
.calculator-results .result-amount .accent {
    color: var(--accent);
}
.calculator-results .result-detail {
    font-size: 14px;
    color: var(--secondary);
    margin-bottom: 16px;
}
.calculator-results .result-detail strong {
    color: var(--text-dark);
}
.btn-calculate {
    width: 100%;
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 60px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}
.btn-calculate:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(10, 42, 74, 0.2);
}

/* --- STEPS --- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
}
.steps-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: var(--border-light);
    z-index: 0;
}
.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}
.step-card .number {
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    margin: 0 auto 16px auto;
    box-shadow: 0 8px 24px rgba(10, 42, 74, 0.15);
}
.step-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}
.step-card p {
    font-size: 14px;
    color: var(--secondary);
    max-width: 240px;
    margin: 0 auto;
}

/* --- JOIN CUSTOMER --- */
.join-section {
    background: var(--primary-gradient);
    border-radius: var(--radius);
    padding: 64px 56px;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.join-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(76, 217, 160, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.join-section h2 {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}
.join-section p {
    font-size: 18px;
    opacity: 0.8;
    max-width: 520px;
    margin: 0 auto 32px auto;
    position: relative;
    z-index: 1;
}
.join-section .btn-join {
    background: white;
    color: var(--text-dark);
    border: none;
    padding: 16px 48px;
    border-radius: 60px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
    position: relative;
    z-index: 1;
}
.join-section .btn-join:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}
.join-section .customer-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 32px;
    position: relative;
    z-index: 1;
    opacity: 0.6;
    flex-wrap: wrap;
}
.join-section .customer-logos span {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* --- FAQ --- */
.faq-container {
    max-width: 720px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--border-light);
    padding: 20px 0;
}
.faq-item .question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 17px;
    transition: var(--transition);
}
.faq-item .question:hover {
    color: var(--primary);
}
.faq-item .question .toggle {
    font-size: 24px;
    color: var(--secondary);
    transition: var(--transition);
}
.faq-item .answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.6;
}
.faq-item .answer.open {
    max-height: 200px;
    padding-top: 12px;
}
.faq-item .question .toggle.open {
    transform: rotate(45deg);
}

/* --- FOOTER --- */
.footer {
    background: var(--tertiary);
    padding: 60px 32px 32px 32px;
    border-top: 1px solid var(--border-light);
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-brand .logo {
    font-size: 24px;
    font-weight: 900;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}
.footer-brand .logo .accent {
    color: var(--accent);
}
.footer-brand p {
    font-size: 14px;
    color: var(--secondary);
    max-width: 280px;
    line-height: 1.6;
}
.footer-brand .socials {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}
.footer-brand .socials a {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 18px;
    color: var(--secondary);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}
.footer-brand .socials a:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}
.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}
.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.footer-col ul a {
    text-decoration: none;
    font-size: 14px;
    color: var(--secondary);
    transition: var(--transition);
}
.footer-col ul a:hover {
    color: var(--text-dark);
}
.footer-bottom {
    max-width: 1200px;
    margin: 32px auto 0 auto;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--secondary);
}
.footer-bottom .legal {
    display: flex;
    gap: 24px;
}
.footer-bottom .legal a {
    text-decoration: none;
    color: var(--secondary);
    transition: var(--transition);
}
.footer-bottom .legal a:hover {
    color: var(--text-dark);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-title { font-size: 42px; }
    .hero-subtitle { margin: 0 auto; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { order: -1; }
    .hero-phone-mockup { width: 280px; height: 560px; }
    .hero-float-card:nth-child(2) { right: 0; }
    .hero-float-card:nth-child(3) { left: 0; }
    .features-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .intro-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .intro-content .tag { margin: 0 auto; }
    .intro-content .check-list .item { justify-content: center; }
    .calculator-grid { grid-template-columns: 1fr; }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid::before { display: none; }
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 24px 32px;
        box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        border-bottom: 1px solid var(--border-light);
    }
    .nav-links.open { display: flex; }
    .mobile-toggle { display: flex; }
    .hero {
        padding: 120px 20px 60px 20px;
    }
    .hero-title { font-size: 32px; }
    .hero-stats {
        gap: 20px;
        flex-wrap: wrap;
    }
    .hero-stats .stat .number { font-size: 22px; }
    .features-grid,
    .products-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .section-header h2 { font-size: 30px; }
    .calculator-wrapper { padding: 32px 24px; }
    .join-section {
        padding: 40px 24px;
    }
    .join-section h2 { font-size: 30px; }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    .footer-bottom .legal {
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero-float-card { display: none; }
    .products-grid {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero-phone-mockup {
        width: 220px;
        height: 440px;
    }
    .mockup-content .amount { font-size: 28px; }
    .mockup-content .row { font-size: 11px; }
    .hero-title { font-size: 28px; }
    .btn-primary-hero,
    .btn-outline-hero {
        padding: 14px 28px;
        font-size: 14px;
    }
    .calculator-results .result-amount { font-size: 32px; }
}