/* ===========================================
   BREATHFLOW - ULTRA MODERN PEACEFUL DESIGN
   Created with mindfulness and tranquility
   =========================================== */

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

:root {
    /* Nature Color Palette - Fresh Green Theme */
    --fresh-green: #2ECC71;
    --deep-forest: #27AE60;
    --soft-mint: #58D68D;
    --leaf-green: #52BE80;
    --lime-green: #7DCEA0;
    --sage-green: #A9DFBF;
    --serene-white: #FFFFFF;
    --tranquil-gray: #ECF0F1;
    --text-dark: #1E4620;
    --text-light: #5D6D5B;

    /* Nature Gradients */
    --gradient-calm: linear-gradient(135deg, #2ECC71 0%, #27AE60 100%);
    --gradient-nature: linear-gradient(135deg, #52BE80 0%, #7DCEA0 50%, #A9DFBF 100%);
    --gradient-forest: linear-gradient(135deg, #27AE60 0%, #2ECC71 50%, #58D68D 100%);
    --gradient-leaf: linear-gradient(135deg, #52BE80 0%, #7DCEA0 100%);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, #E8F8F5 0%, #D5F4E6 50%, #ABEBC6 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================================
   ANIMATED BACKGROUND
   =========================================== */

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

/* Floating Leaves */
.leaf {
    position: absolute;
    font-size: 40px;
    opacity: 0.3;
    animation: leaf-float 20s ease-in-out infinite;
}

.leaf-1 {
    top: 10%;
    left: 20%;
    animation-duration: 18s;
    animation-delay: 0s;
}

.leaf-2 {
    top: 60%;
    left: 80%;
    animation-duration: 22s;
    animation-delay: -3s;
}

.leaf-3 {
    top: 30%;
    left: 60%;
    animation-duration: 25s;
    animation-delay: -7s;
}

.leaf-4 {
    top: 80%;
    left: 30%;
    animation-duration: 20s;
    animation-delay: -10s;
}

.leaf-5 {
    top: 50%;
    left: 10%;
    animation-duration: 24s;
    animation-delay: -5s;
    font-size: 35px;
}

.leaf-6 {
    top: 20%;
    left: 90%;
    animation-duration: 21s;
    animation-delay: -12s;
    font-size: 35px;
}

@keyframes leaf-float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0.2;
    }
    25% {
        transform: translate(50px, -100px) rotate(90deg);
        opacity: 0.4;
    }
    50% {
        transform: translate(20px, -200px) rotate(180deg);
        opacity: 0.3;
    }
    75% {
        transform: translate(-30px, -150px) rotate(270deg);
        opacity: 0.4;
    }
}

/* Floating Particles */
.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(2px);
    animation: particle-float 20s ease-in-out infinite;
}

.particle:nth-child(1) { top: 10%; left: 10%; animation-duration: 22s; animation-delay: 0s; }
.particle:nth-child(2) { top: 20%; left: 80%; animation-duration: 25s; animation-delay: -5s; }
.particle:nth-child(3) { top: 70%; left: 20%; animation-duration: 28s; animation-delay: -10s; }
.particle:nth-child(4) { top: 40%; left: 60%; animation-duration: 24s; animation-delay: -15s; }
.particle:nth-child(5) { top: 80%; left: 70%; animation-duration: 26s; animation-delay: -3s; }
.particle:nth-child(6) { top: 30%; left: 40%; animation-duration: 23s; animation-delay: -8s; }
.particle:nth-child(7) { top: 60%; left: 90%; animation-duration: 27s; animation-delay: -12s; }
.particle:nth-child(8) { top: 50%; left: 15%; animation-duration: 29s; animation-delay: -18s; }

@keyframes particle-float {
    0%, 100% {
        transform: translate(0, 0);
        opacity: 0.3;
    }
    50% {
        transform: translate(50px, -80px);
        opacity: 0.8;
    }
}

/* ===========================================
   NAVIGATION
   =========================================== */

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--deep-ocean);
    text-decoration: none;
}

.logo-icon {
    font-size: 32px;
    animation: logo-pulse 3s ease-in-out infinite;
}

@keyframes logo-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-calm);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--calm-blue);
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(74, 144, 226, 0.1);
    border: 2px solid rgba(74, 144, 226, 0.3);
    padding: 8px 16px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--deep-ocean);
    transition: all 0.3s ease;
}

.language-btn:hover {
    background: rgba(74, 144, 226, 0.2);
    border-color: var(--calm-blue);
    transform: translateY(-2px);
}

.language-dropdown {
    position: absolute;
    top: 120%;
    right: 0;
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 400px;
    max-height: 500px;
    overflow-y: auto;
    z-index: 1000;
}

.language-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-dropdown-header {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--deep-ocean);
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.language-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s ease;
    font-size: 14px;
}

.language-option:hover {
    background: var(--gradient-calm);
    color: white;
    transform: translateX(5px);
}

.language-option.current {
    background: var(--gradient-calm);
    color: white;
    font-weight: 600;
}

.language-flag {
    font-size: 1.3em;
}

/* Custom scrollbar for language dropdown */
.language-dropdown::-webkit-scrollbar {
    width: 8px;
}

.language-dropdown::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.language-dropdown::-webkit-scrollbar-thumb {
    background: var(--gradient-calm);
    border-radius: 10px;
}

.language-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-forest);
}

/* Mobile Responsive for Language Dropdown */
@media (max-width: 768px) {
    .language-dropdown {
        min-width: 320px;
        max-width: 90vw;
        left: 50%;
        right: auto;
        transform: translateX(-50%) translateY(-10px);
    }

    .language-dropdown.active {
        transform: translateX(-50%) translateY(0);
    }

    .language-grid {
        grid-template-columns: 1fr;
    }
}

.portfolio-link {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-calm);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.portfolio-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* ===========================================
   HERO SECTION WITH BREATHING CIRCLE
   =========================================== */

.hero {
    padding: 120px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animated Breathing Circle */
.breathing-circle-container {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 0 auto 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.breathing-circle {
    width: 150px;
    height: 150px;
    background: var(--gradient-forest);
    border-radius: 50%;
    position: absolute;
    animation: breathe-expand 4s ease-in-out infinite;
    box-shadow:
        0 0 40px rgba(46, 204, 113, 0.5),
        0 0 80px rgba(39, 174, 96, 0.4),
        inset 0 0 40px rgba(255, 255, 255, 0.3);
}

@keyframes breathe-expand {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.3);
        opacity: 1;
    }
}

.breathing-ring {
    position: absolute;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: breathe-ring 4s ease-in-out infinite;
}

.ring-1 {
    width: 180px;
    height: 180px;
    border-color: rgba(46, 204, 113, 0.5);
    animation-delay: 0.3s;
}

.ring-2 {
    width: 210px;
    height: 210px;
    border-color: rgba(82, 190, 128, 0.4);
    animation-delay: 0.6s;
}

.ring-3 {
    width: 240px;
    height: 240px;
    border-color: rgba(125, 206, 160, 0.3);
    animation-delay: 0.9s;
}

@keyframes breathe-ring {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.breath-text {
    position: absolute;
    font-size: 22px;
    font-weight: 600;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: breathe-text 4s ease-in-out infinite;
    z-index: 10;
}

@keyframes breathe-text {
    0%, 100% {
        opacity: 0.7;
        transform: scale(0.95);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* Hero Title */
.hero-title {
    font-size: 72px;
    font-weight: 700;
    margin: 30px 0 20px;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.gradient-text {
    background: var(--gradient-forest);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.tagline {
    font-size: 28px;
    color: var(--text-dark);
    margin: 20px 0;
    font-weight: 600;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 20px auto 40px;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

/* Hero Badges */
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 40px 0;
    animation: fadeInUp 1s ease-out 0.8s backwards;
}

.badge {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    color: var(--deep-forest);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid rgba(46, 204, 113, 0.3);
}

.badge:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(46, 204, 113, 0.4);
    background: white;
}

/* Download Button */
.download-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-forest);
    color: white;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    margin-top: 30px;
    box-shadow:
        0 10px 30px rgba(46, 204, 113, 0.4),
        0 5px 15px rgba(39, 174, 96, 0.3);
    transition: all 0.4s ease;
    animation: fadeInUp 1s ease-out 1s backwards;
    position: relative;
    overflow: hidden;
}

.download-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.download-button:hover::before {
    width: 400px;
    height: 400px;
}

.download-button:hover {
    transform: translateY(-5px);
    box-shadow:
        0 15px 40px rgba(46, 204, 113, 0.5),
        0 8px 20px rgba(39, 174, 96, 0.4);
}

.button-icon {
    font-size: 24px;
}

/* Rating */
.rating {
    margin-top: 40px;
    animation: fadeInUp 1s ease-out 1.2s backwards;
}

.stars {
    font-size: 24px;
    color: #FFD700;
    letter-spacing: 5px;
    text-shadow: 0 2px 5px rgba(255, 215, 0, 0.3);
    animation: star-twinkle 2s ease-in-out infinite;
}

@keyframes star-twinkle {
    0%, 100% { opacity: 0.9; }
    50% { opacity: 1; }
}

.rating-text {
    display: block;
    margin-top: 10px;
    color: var(--text-light);
    font-size: 16px;
}

/* ===========================================
   BENEFITS & FEATURES SECTIONS
   =========================================== */

.benefits, .features {
    padding: 100px 20px;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-icon {
    font-size: 50px;
    display: block;
    margin-bottom: 20px;
    animation: float-gentle 3s ease-in-out infinite;
}

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

.section-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    background: var(--gradient-forest);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Layout */
.benefits-grid, .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

/* Benefit Cards */
.benefit-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 40px 30px;
    border-radius: 25px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid rgba(46, 204, 113, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(46, 204, 113, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.benefit-card:hover::before {
    opacity: 1;
    animation: ripple-effect 1.5s ease-out infinite;
}

@keyframes ripple-effect {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.benefit-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 50px rgba(46, 204, 113, 0.3);
    border-color: var(--fresh-green);
}

.benefit-icon {
    font-size: 60px;
    margin-bottom: 20px;
    animation: icon-bounce 2s ease-in-out infinite;
}

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

.benefit-card h3, .feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.benefit-card p, .feature-card p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.7;
}

/* Feature Cards */
.feature-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 40px 30px;
    border-radius: 25px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid rgba(82, 190, 128, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-calm);
    opacity: 0.05;
    transition: left 0.5s ease;
}

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

.feature-card:hover {
    transform: translateY(-15px) rotateY(5deg);
    box-shadow: 0 20px 50px rgba(82, 190, 128, 0.3);
    border-color: var(--leaf-green);
}

.feature-icon {
    font-size: 60px;
    margin-bottom: 20px;
    animation: icon-spin 3s ease-in-out infinite;
}

@keyframes icon-spin {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

/* ===========================================
   DOWNLOAD SECTION
   =========================================== */

.download {
    padding: 100px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(30px);
    margin: 50px 0;
    position: relative;
}

.download-content {
    max-width: 700px;
    margin: 0 auto;
}

.download-icon {
    font-size: 80px;
    margin-bottom: 30px;
    animation: phone-ring 2s ease-in-out infinite;
}

@keyframes phone-ring {
    0%, 100% { transform: rotate(0deg); }
    10%, 30%, 50% { transform: rotate(-10deg); }
    20%, 40%, 60% { transform: rotate(10deg); }
}

.download h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.download-desc {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.download-box {
    background: white;
    padding: 50px 40px;
    border-radius: 30px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    border: 3px solid rgba(46, 204, 113, 0.3);
    transition: all 0.4s ease;
}

.download-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 70px rgba(46, 204, 113, 0.3);
}

.download-box h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--deep-ocean);
    margin-bottom: 10px;
}

.version-info {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.feature-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.mini-badge {
    background: var(--gradient-calm);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(102, 126, 234, 0.2);
}

/* ===========================================
   SUPPORT SECTION
   =========================================== */

.support {
    padding: 100px 20px;
    text-align: center;
    position: relative;
}

.support-content {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 60px 40px;
    border-radius: 30px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    border: 2px solid rgba(248, 187, 208, 0.3);
}

.support-icon {
    font-size: 70px;
    margin-bottom: 20px;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(1.1); }
    20%, 40% { transform: scale(0.9); }
}

.support h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.support p {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.support-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #F8BBD0 0%, #9B59B6 100%);
    color: white;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(248, 187, 208, 0.3);
    transition: all 0.4s ease;
}

.support-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(248, 187, 208, 0.4);
}

/* ===========================================
   FOOTER
   =========================================== */

footer {
    background: linear-gradient(135deg, #27AE60 0%, #2ECC71 50%, #52BE80 100%);
    color: white;
    padding: 40px 20px 25px;
    text-align: center;
    position: relative;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo .logo-icon {
    font-size: 36px;
}

.footer-tagline {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 10px;
}

.footer-copyright {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 5px;
}

.footer-creator {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.footer-creator a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.footer-creator a:hover {
    border-bottom-color: white;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    opacity: 0.9;
}

.footer-links a:hover {
    opacity: 1;
    transform: translateY(-2px);
}

.footer-contact {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-contact p {
    font-size: 14px;
    margin: 8px 0;
    opacity: 0.9;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: var(--gradient-forest);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(46, 204, 113, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(46, 204, 113, 0.5);
}

/* ===========================================
   RESPONSIVE DESIGN
   =========================================== */

@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
        font-size: 14px;
    }

    .nav-link {
        display: none;
    }

    .nav-link:nth-child(4),
    .portfolio-link {
        display: flex;
    }

    .hero {
        padding: 80px 20px;
    }

    .breathing-circle-container {
        width: 200px;
        height: 200px;
    }

    .breathing-circle {
        width: 120px;
        height: 120px;
    }

    .hero-title {
        font-size: 48px;
    }

    .tagline {
        font-size: 22px;
    }

    .subtitle {
        font-size: 16px;
    }

    .hero-badges {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 36px;
    }

    .benefits-grid, .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .download h2, .support h2 {
        font-size: 36px;
    }

    .download-box {
        padding: 40px 25px;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }

    .tagline {
        font-size: 18px;
    }

    .download-button, .support-link {
        padding: 14px 30px;
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .benefit-icon, .feature-icon {
        font-size: 50px;
    }
}

/* ===========================================
   SMOOTH SCROLL ANIMATIONS
   =========================================== */

[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.8s;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* Selection Styling */
::selection {
    background: rgba(46, 204, 113, 0.3);
    color: var(--text-dark);
}

::-moz-selection {
    background: rgba(46, 204, 113, 0.3);
    color: var(--text-dark);
}