/* ========================================
   SUTRA NOTES - CANVA-INSPIRED LANDING PAGE
   Modern, Clean, App-focused Design
   ======================================== */

/* ============ BASE & RESET ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #1a1a1a;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Subtle decorative pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 107, 53, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

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

/* ============ NAVIGATION ============ */
.canva-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
}

.nav-brand img {
    width: 120px;
    height: auto;
}

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
    align-items: center;
    position: relative;
}

.nav-menu li {
    position: relative;
}

.nav-menu li:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: #ff6b35;
    border-radius: 50%;
    opacity: 0.3;
}

.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    padding-bottom: 4px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #f57c00;
    transition: width 0.3s;
}

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

.nav-link:hover {
    color: #ff6b35;
}

.nav-cta {
    background: #f57c00;
    color: white;
    padding: 12px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(245, 124, 0, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #1a1a1a;
}

/* ============ HERO SECTION ============ */
.hero-canva {
    padding: 80px 0 120px;
    background: 
        linear-gradient(135deg, rgba(27, 38, 59, 0.95) 0%, rgba(13, 19, 33, 0.9) 100%),
        radial-gradient(circle at 20% 30%, rgba(245, 124, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(245, 124, 0, 0.08) 0%, transparent 45%);
    position: relative;
    overflow: visible;
    margin-bottom: -1px;
}

.hero-canva::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 100px;
    background: #f8fafc;
    clip-path: polygon(0 40%, 100% 0, 100% 100%, 0 100%);
    z-index: 10;
}

/* Animated book pages / knowledge elements */
.hero-canva::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 5%;
    width: 300px;
    height: 300px;
    background: 
        linear-gradient(45deg, transparent 40%, rgba(245, 124, 0, 0.05) 50%, transparent 60%),
        radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 100% 100%, 20px 20px;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
    z-index: 1;
}

/* Floating decorative circles */
.hero-canva .hero-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.hero-canva .hero-circle:nth-child(1) {
    top: 20%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.04) 0%, transparent 60%);
    animation: pulse 8s ease-in-out infinite;
}

.hero-canva .hero-circle:nth-child(2) {
    bottom: 10%;
    left: 15%;
    width: 300px;
    height: 300px;
    background: 
        radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%),
        radial-gradient(circle, rgba(245, 124, 0, 0.02) 2px, transparent 2px);
    background-size: 100%, 30px 30px;
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-canva .container {
    position: relative;
    z-index: 2;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
    min-height: 600px;
}

.hero-text {
    max-width: 550px;
    position: relative;
    z-index: 3;
}

.hero-label {
    display: inline-block;
    background: rgba(245, 124, 0, 0.2);
    color: #f57c00;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(245, 124, 0, 0.3);
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: white;
}

.hero-title .highlight {
    color: #f57c00;
}

.hero-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-features-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
}

.check-icon {
    width: 28px;
    height: 28px;
    background: #f57c00;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

/* ============ AUTH BLOCK (LOGIN/REGISTER) ============ */
.hero-auth-block {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.auth-card {
    background: white;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    padding: 40px;
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 3;
}

.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    background: #f5f5f5;
    border-radius: 12px;
    padding: 4px;
}

.auth-tab {
    flex: 1;
    padding: 12px 24px;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
}

.auth-tab.active {
    background: white;
    color: #ff6b35;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Animation removed to prevent background flicker on tab switch */

.auth-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.auth-subtitle {
    font-size: 15px;
    color: #666;
    margin-bottom: 28px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #ff6b35;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group select {
    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='%23666' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 8px;
}

.strength-bar {
    width: 100%;
    height: 4px;
    background: #e5e5e5;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 6px;
}

.strength-fill {
    height: 100%;
    width: 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.strength-fill.weak {
    background: #ff4444;
}

.strength-fill.medium {
    background: #ff9800;
}

.strength-fill.strong {
    background: #4caf50;
}

.strength-text {
    font-size: 12px;
    color: #666;
    display: block;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
    cursor: pointer;
    margin-bottom: 20px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label a {
    color: #ff6b35;
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.forgot-link {
    font-size: 14px;
    color: #ff6b35;
    text-decoration: none;
    font-weight: 500;
}

.forgot-link:hover {
    text-decoration: underline;
}

.btn-auth-primary {
    width: 100%;
    padding: 16px;
    background: #f57c00;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-auth-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-switch-tab {
    width: 100%;
    padding: 14px;
    background: white;
    color: #ff6b35;
    border: 2px solid #ff6b35;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-switch-tab:hover {
    background: #fff3ef;
}

.auth-divider {
    text-align: center;
    margin: 24px 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e5e5e5;
}

.auth-divider span {
    position: relative;
    background: white;
    padding: 0 16px;
    font-size: 13px;
    color: #999;
}

.social-auth {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: white;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-social:hover {
    border-color: #ff6b35;
    background: #fff3ef;
    transform: translateY(-2px);
}

.btn-primary-large {
    background: #f57c00;
    color: white;
    padding: 18px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    display: inline-block;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.btn-primary-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255, 107, 53, 0.4);
}

.btn-secondary-large {
    background: white;
    color: #ff6b35;
    padding: 18px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    display: inline-block;
    border: 2px solid #ff6b35;
    transition: all 0.3s;
}

.btn-secondary-large:hover {
    background: #ff6b35;
    color: white;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-mockup {
    width: 100%;
    max-width: 500px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    background: white;
}

.mockup-screen {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, #fff3ef 0%, #ffe8d6 100%);
    display: flex;
    flex-direction: column;
    padding: 40px 32px;
}

.screen-header {
    background: white;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.screen-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.screen-subtitle {
    font-size: 14px;
    color: #666;
}

.screen-cards {
    display: grid;
    gap: 16px;
}

.screen-card {
    background: white;
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: #f57c00;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.card-text h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: #1a1a1a;
}

.card-text p {
    font-size: 13px;
    color: #999;
}

/* ============ ABOUT SECTION ============ */
.about-section {
    padding: 100px 0;
    background: 
        linear-gradient(135deg, rgba(245, 124, 0, 0.02) 0%, transparent 40%, rgba(245, 124, 0, 0.03) 100%),
        white;
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -50px;
    width: 800px;
    height: 800px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.08) 0%, rgba(245, 124, 0, 0.04) 30%, transparent 70%);
    border-radius: 50%;
    animation: pulse 15s ease-in-out infinite;
}

.about-section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -50px;
    width: 700px;
    height: 700px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.06) 0%, rgba(245, 124, 0, 0.03) 30%, transparent 60%),
        radial-gradient(circle, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
    background-size: 100% 100%, 30px 30px;
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

/* Decorative circles for about section */
.about-section .container {
    position: relative;
    z-index: 2;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
}

.about-grid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(245, 124, 0, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.about-image {
    position: relative;
    z-index: 1;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(245, 124, 0, 0.2);
    border-radius: 24px;
    z-index: -1;
}

.about-image img {
    width: 100%;
    border-radius: 24px;
    box-shadow: 
        0 20px 60px rgba(245, 124, 0, 0.15),
        0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.about-image:hover img {
    transform: translateY(-5px);
}

.section-label {
    display: inline-block;
    background: linear-gradient(135deg, rgba(245, 124, 0, 0.15) 0%, rgba(245, 124, 0, 0.08) 100%);
    color: #f57c00;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(245, 124, 0, 0.2);
    box-shadow: 0 4px 15px rgba(245, 124, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.section-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.section-label:hover::before {
    left: 100%;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.section-description {
    font-size: 18px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 32px;
}

/* ============ FEATURES SECTION ============ */
.features-section {
    padding: 100px 0;
    background: 
        linear-gradient(180deg, rgba(245, 124, 0, 0.03) 0%, transparent 30%, rgba(245, 124, 0, 0.02) 100%),
        #fafafa;
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    top: -150px;
    left: -100px;
    width: 900px;
    height: 900px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.1) 0%, rgba(245, 124, 0, 0.05) 25%, transparent 60%),
        radial-gradient(circle, rgba(255, 255, 255, 0.3) 2px, transparent 2px);
    background-size: 100% 100%, 40px 40px;
    border-radius: 50%;
    animation: float 25s ease-in-out infinite;
}

.features-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    right: -100px;
    width: 800px;
    height: 800px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.08) 0%, rgba(245, 124, 0, 0.04) 30%, transparent 60%);
    border-radius: 50%;
    animation: pulse 18s ease-in-out infinite;
}

.features-section .container {
    position: relative;
    z-index: 2;
}

/* ============ CASE STUDIES SECTION ============ */
.case-studies-section {
    padding: 80px 0;
    background: 
        linear-gradient(135deg, rgba(245, 124, 0, 0.02) 0%, transparent 50%, rgba(245, 124, 0, 0.03) 100%),
        #f8fafc;
    position: relative;
    overflow: hidden;
}

.case-studies-section::before {
    content: '';
    position: absolute;
    top: 100px;
    left: -100px;
    width: 700px;
    height: 700px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.1) 0%, rgba(245, 124, 0, 0.05) 30%, transparent 60%),
        repeating-radial-gradient(circle, rgba(245, 124, 0, 0.03) 0px, transparent 2px, transparent 50px);
    border-radius: 50%;
    animation: float 22s ease-in-out infinite;
}

.case-studies-section::after {
    content: '';
    position: absolute;
    bottom: 100px;
    right: -80px;
    width: 650px;
    height: 650px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.08) 0%, rgba(245, 124, 0, 0.04) 30%, transparent 60%);
    border-radius: 50%;
    animation: pulse 16s ease-in-out infinite;
}

/* Connecting wave between sections */
.case-studies-section .container {
    position: relative;
    z-index: 2;
}

/* ============ PRICING SECTION ============ */
.pricing-section {
    padding: 100px 0;
    background: 
        linear-gradient(135deg, rgba(245, 124, 0, 0.02) 0%, transparent 50%, rgba(245, 124, 0, 0.03) 100%),
        white;
    position: relative;
    overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 850px;
    height: 850px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.12) 0%, rgba(245, 124, 0, 0.06) 25%, transparent 60%),
        radial-gradient(circle, rgba(255, 255, 255, 0.4) 2px, transparent 2px);
    background-size: 100% 100%, 35px 35px;
    border-radius: 50%;
    animation: pulse 20s ease-in-out infinite;
}

.pricing-section::after {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -80px;
    width: 750px;
    height: 750px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.1) 0%, rgba(245, 124, 0, 0.05) 30%, transparent 60%);
    border-radius: 50%;
    animation: float 24s ease-in-out infinite;
}

.pricing-section .container {
    position: relative;
    z-index: 2;
}

.features-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

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

.feature-box {
    background: white;
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(245, 124, 0, 0.1);
}

.feature-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #f57c00, transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 12px 40px rgba(245, 124, 0, 0.15),
        0 4px 20px rgba(0,0,0,0.12);
    border-color: rgba(245, 124, 0, 0.3);
}

.feature-box:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, #f57c00 0%, #ff9800 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    box-shadow: 
        0 10px 30px rgba(245, 124, 0, 0.3),
        inset 0 -2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.3), transparent);
    border-radius: 15px 15px 50% 50%;
}

.feature-box:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-box h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.feature-box p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* ============ TESTIMONIALS SECTION ============ */
.testimonials-section {
    padding: 100px 0;
    background: 
        linear-gradient(180deg, rgba(245, 124, 0, 0.02) 0%, transparent 50%, rgba(245, 124, 0, 0.03) 100%),
        #fafafa;
    position: relative;
    overflow: hidden;
}

.testimonials-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1200px;
    height: 1200px;
    background: 
        radial-gradient(circle, rgba(245, 124, 0, 0.08) 0%, rgba(245, 124, 0, 0.04) 20%, transparent 50%);
    border-radius: 50%;
    pointer-events: none;
}

.testimonials-section .container {
    position: relative;
    z-index: 2;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 40px 32px;
    position: relative;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid rgba(245, 124, 0, 0.1);
    transition: all 0.3s ease;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 80px;
    color: rgba(245, 124, 0, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 10px 30px rgba(245, 124, 0, 0.12),
        0 4px 20px rgba(0,0,0,0.08);
    border-color: rgba(245, 124, 0, 0.2);
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 24px;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.testimonial-text {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.testimonial-name {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
}

.testimonial-role {
    font-size: 14px;
    color: #999;
}

/* ============ CTA SECTION ============ */
.cta-full {
    padding: 100px 0;
    background: 
        linear-gradient(135deg, #f57c00 0%, #ff9800 50%, #f57c00 100%),
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-full::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 50px,
            rgba(255, 255, 255, 0.03) 50px,
            rgba(255, 255, 255, 0.03) 100px
        );
    animation: float 30s linear infinite;
}

.cta-full::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.cta-full h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
}

.cta-full p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-full .btn-primary-large {
    background: white;
    color: #ff6b35;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.cta-full .btn-primary-large:hover {
    background: #fafafa;
}

/* ============ FOOTER ============ */
.canva-footer {
    background: #1a1a1a;
    color: white;
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 24px;
    font-weight: 700;
}

.footer-logo img {
    width: 40px;
    height: 40px;
}

.footer-description {
    color: #999;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 44px;
    height: 44px;
    background: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

.social-icon:hover {
    background: #ff6b35;
    transform: translateY(-3px);
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ff6b35;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #666;
    font-size: 14px;
}

.footer-bottom-links {
    display: flex;
    gap: 32px;
}

.footer-bottom-links a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-bottom-links a:hover {
    color: #ff6b35;
}

/* ============ BACK TO TOP BUTTON ============ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #f57c00 0%, #ff9800 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 4px 20px rgba(245, 124, 0, 0.4),
        0 2px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
    transform: translateY(-5px);
    box-shadow: 
        0 6px 30px rgba(245, 124, 0, 0.5),
        0 4px 15px rgba(0, 0, 0, 0.3);
}

.back-to-top:active {
    transform: translateY(-2px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .hero-grid,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-auth-block {
        order: -1;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        align-items: flex-start;
        z-index: 100;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-brand img {
        width: 80px;
        height: auto;
    }
    
    .hero-title {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-label {
        font-size: 13px;
    }
    
    .section-title {
        font-size: 28px;
        line-height: 1.3;
    }
    
    .section-description {
        font-size: 16px;
    }
    
    .auth-card {
        padding: 32px 24px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-box {
        padding: 24px;
    }
    
    .testimonials-grid {
        gap: 24px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-bottom-links {
        flex-direction: column;
        gap: 12px;
    }
    
    .cta-content h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .canva-nav {
        padding: 16px 0;
    }
    
    .nav-brand {
        font-size: 20px;
    }
    
    .nav-brand img {
        width: 60px;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-description {
        font-size: 15px;
    }
    
    .auth-card {
        padding: 24px 20px;
    }
    
    .auth-title {
        font-size: 22px;
    }
    
    .form-group input,
    .form-group select {
        padding: 12px;
        font-size: 15px;
    }
    
    .btn-auth-primary {
        padding: 14px;
        font-size: 15px;
    }
    
    .social-auth {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .feature-box h3 {
        font-size: 18px;
    }
    
    .feature-box p {
        font-size: 14px;
    }
    
    .testimonial-text {
        font-size: 15px;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
    
    .cta-content p {
        font-size: 16px;
    }
    
    .btn-primary-large {
        padding: 14px 32px;
        font-size: 15px;
    }
}