/* 
 * OTOPay Website Styles
 * Modern, Professional, Fast-loading CSS
 */

/* ==========================================
   CSS Variables & Design Tokens
   ========================================== */
:root {
    /* Brand Colors */
    --color-primary: #f99d1c;
    --color-primary-dark: #e08a0a;
    --color-primary-light: #ffb347;
    --color-black: #000000;
    --color-white: #ffffff;
    
    /* Neutral Colors */
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    
    /* Typography */
    --font-primary: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Space Mono', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

@keyframes fadeInDown {
    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);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-on-scroll {
    opacity: 0;
}

.animate-on-scroll.animated {
    animation-duration: 1.2s;
    animation-fill-mode: both;
    animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up {
    animation-name: fadeInUp;
}

.fade-in-down {
    animation-name: fadeInDown;
}

.fade-in-left {
    animation-name: fadeInLeft;
}

.fade-in-right {
    animation-name: fadeInRight;
}

.zoom-in {
    animation-name: zoomIn;
}

.slide-in-left {
    animation-name: slideInLeft;
}

.slide-in-right {
    animation-name: slideInRight;
}

.scale-up {
    animation-name: scaleUp;
}

/* Staggered animations */
.animate-on-scroll:nth-child(1) { animation-delay: 0.1s; }
.animate-on-scroll:nth-child(2) { animation-delay: 0.2s; }
.animate-on-scroll:nth-child(3) { animation-delay: 0.3s; }
.animate-on-scroll:nth-child(4) { animation-delay: 0.4s; }
.animate-on-scroll:nth-child(5) { animation-delay: 0.5s; }
.animate-on-scroll:nth-child(6) { animation-delay: 0.6s; }

/* ==========================================
   Page Hero
   ========================================== */
.page-hero {
    position: relative;
    padding: calc(80px + var(--spacing-3xl)) var(--container-padding) var(--spacing-3xl);
    text-align: center;
    background: linear-gradient(135deg, #e1a140 0%, #e1a140 100%);
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(249, 157, 28, 0.1) 0%, transparent 100%);
    z-index: 0;
}

.page-hero.has-background {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.page-hero.has-background::before {
    background: rgba(0, 0, 0, 0.6);
}

.page-hero.has-background .section-label,
.page-hero.has-background .page-title,
.page-hero.has-background .page-subtitle {
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero.has-background .page-title {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-200) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--color-white);
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================
   Forms
   ========================================== */
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
    font-size: 0.9375rem;
}

.required {
    color: #dc2626;
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-black);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    line-height: 1.5;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-gray-400);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(249, 157, 28, 0.1);
    transform: translateY(-1px);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: #dc2626;
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-400);
}

textarea.form-input,
.form-textarea {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-primary);
}

select.form-input,
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-error {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.form-group.has-error .form-error {
    display: block;
}

.form-help {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Alert Messages */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    border: 1px solid;
    animation: slideInDown 0.3s ease-out;
}

.alert svg {
    flex-shrink: 0;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
    border-color: #bbf7d0;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-color: #fecaca;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-color: #fde68a;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border-color: #bfdbfe;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-primary-dark);
}

/* ==========================================
   Utility Classes
   ========================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.page-section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-black);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.btn-secondary:hover {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-black);
    border-color: var(--color-black);
}

.btn-outline:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* ==========================================
   Header
   ========================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1rem var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-black);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-oto {
    color: var(--color-black);
}

.logo-tela {
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-black);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-link {
    position: relative;
    color: var(--color-gray-700);
    font-weight: 500;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-black);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link-cta {
    background-color: var(--color-primary);
    color: var(--color-black);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background-color: var(--color-primary-dark);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-3xl)) var(--container-padding) var(--spacing-3xl);
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(249, 157, 28, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    position: relative;
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-title-main {
    display: block;
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

.hero-title-sub {
    display: block;
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-visual {
    position: relative;
    height: 600px;
}

.atm-illustration {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.atm-screen {
    position: absolute;
    top: 15%;
    left: 10%;
    right: 10%;
    height: 30%;
    background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
    border-radius: var(--radius-md);
}

.atm-keypad {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 30%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: var(--spacing-md);
}

.atm-keypad::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
}

.atm-slot {
    position: absolute;
    bottom: 8%;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 8%;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-500);
    font-size: 0.875rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ==========================================
   Features Section
   ========================================== */
.features {
    padding: var(--spacing-3xl) var(--container-padding);
    background-color: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(249, 157, 28, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px -10px rgba(249, 157, 28, 0.3);
    border-color: var(--color-primary);
    background: linear-gradient(135deg, #ffffff 0%, #fffbf5 100%);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: rotate(360deg) scale(1.1);
    box-shadow: 0 10px 25px rgba(249, 157, 28, 0.4);
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* ==========================================
   How It Works Section
   ========================================== */
.how-it-works {
    padding: var(--spacing-3xl) var(--container-padding);
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
}

.steps {
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.step {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.step-number {
    font-family: var(--font-mono);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    opacity: 0.2;
}

.step-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.steps-cta {
    text-align: center;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    padding: var(--spacing-3xl) var(--container-padding);
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-900) 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.25rem;
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-xl);
}

/* ==========================================
   Footer
   ========================================== */
.site-footer {
    background-color: var(--color-black);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) var(--container-padding) var(--spacing-xl);
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-tagline {
    color: var(--color-gray-400);
    line-height: 1.8;
}

.footer-heading {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a,
.footer-contact li {
    color: var(--color-gray-400);
    transition: color var(--transition-base);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.footer-contact svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.address-detail {
    display: block;
    margin-left: 24px;
}

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

.footer-copyright {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: var(--color-primary);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-gray-200);
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .step-number {
        font-size: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: auto;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-visual {
        height: 300px;
    }
}

.news-section {
    padding: var(--spacing-3xl) var(--container-padding);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.news-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
}

.news-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(249, 157, 28, 0.05), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}

.news-card:hover::before {
    left: 100%;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.news-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
}

.news-image {
    position: relative;
    overflow: hidden;
}

.news-image img {
    transition: transform var(--transition-slow);
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-black);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}

.news-content {
    padding: var(--spacing-xl);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.news-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.news-category {
    padding: 0.25rem 0.75rem;
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.news-card h2,
.news-card h3 {
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.news-card.featured h2 {
    font-size: 2rem;
}

.news-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 600;
    transition: all var(--transition-base);
}

.news-link:hover {
    gap: var(--spacing-sm);
}

.news-link svg {
    transition: transform var(--transition-base);
}

.news-link:hover svg {
    transform: translateX(5px);
}

.news-pagination {
    text-align: center;
}

.newsletter-section {
    padding: var(--spacing-3xl) var(--container-padding);
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-900) 100%);
    color: var(--color-white);
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.newsletter-content p {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-xl);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--color-gray-700);
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.newsletter-input::placeholder {
    color: var(--color-gray-400);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: rgba(255, 255, 255, 0.15);
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card.featured {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}