/* ================================================
   CUREHSV - Modern Minimalist Stylesheet
   Colors: Teal (#008080) + White (#FFFFFF) + Black (#000000)
   ================================================ */

@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

/* CSS Variables */
:root {
    --teal-primary: #008080;
    --teal-dark: #006666;
    --teal-light: #00a0a0;
    --teal-soft: #e0f2f1;
    --white: #ffffff;
    --black: #000000;
    --gray-light: #f8f9fa;
    --gray-medium: #6c757d;
    --gray-dark: #343a40;
    --shadow: 0 4px 20px rgba(0, 128, 128, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 128, 128, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--gray-dark);
    background-color: var(--white);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--black);
}

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

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

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ================================================
   HEADER STYLES
   ================================================ */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--teal-primary);
}

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

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
    font-size: 1.2rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav ul li a {
    color: var(--gray-dark);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--teal-primary);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--teal-primary);
}

.nav-cta {
    background: var(--teal-primary);
    color: var(--white) !important;
    padding: 10px 25px !important;
    border-radius: 25px;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--teal-dark);
    color: var(--white) !important;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--teal-primary);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
    background: linear-gradient(135deg, var(--teal-soft) 0%, var(--white) 100%);
    padding: 150px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--black);
}

.hero-text h1 span {
    color: var(--teal-primary);
}

.hero-text .tagline {
    font-size: 1.3rem;
    color: var(--gray-medium);
    margin-bottom: 30px;
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--gray-dark);
    margin-bottom: 30px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.hero-graphic::before {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    background: var(--white);
    border-radius: 50%;
}

.hero-graphic::after {
    content: '🧬';
    position: absolute;
    font-size: 120px;
    z-index: 1;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--teal-primary);
    color: var(--white);
}

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

.btn-secondary {
    background: transparent;
    color: var(--teal-primary);
    border: 2px solid var(--teal-primary);
    margin-left: 15px;
}

.btn-secondary:hover {
    background: var(--teal-primary);
    color: var(--white);
}

/* ================================================
   SECTION STYLES
   ================================================ */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--black);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--gray-medium);
    max-width: 600px;
    margin: 0 auto;
}

.section-title .accent-line {
    width: 60px;
    height: 4px;
    background: var(--teal-primary);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* About HSV Section */
.about-hsv {
    background: var(--gray-light);
}

.hsv-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.hsv-card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.hsv-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.hsv-card .icon {
    width: 80px;
    height: 80px;
    background: var(--teal-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.hsv-card h3 {
    color: var(--teal-primary);
    margin-bottom: 15px;
}

/* Treatment Approach Section */
.treatment-approach {
    background: var(--white);
}

.approach-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
    font-size: 1.1rem;
    color: var(--gray-dark);
}

/* Treatment Flow */
.treatment-flow {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.flow-step {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 30px;
    align-items: start;
    position: relative;
}

.flow-step::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 100px;
    width: 2px;
    height: calc(100% + 30px);
    background: var(--teal-soft);
}

.flow-step:last-child::before {
    display: none;
}

.step-number {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    font-weight: 700;
    z-index: 1;
}

.step-content {
    background: var(--gray-light);
    padding: 30px 40px;
    border-radius: 15px;
    border-left: 4px solid var(--teal-primary);
}

.step-content h3 {
    color: var(--teal-primary);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.step-content p {
    color: var(--gray-dark);
    margin-bottom: 15px;
}

.ingredient-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.ingredient-tag {
    background: var(--teal-soft);
    color: var(--teal-dark);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Products Section */
.products {
    background: var(--teal-soft);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.product-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2.5rem;
}

.product-card h3 {
    color: var(--teal-primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.product-card p {
    color: var(--gray-medium);
    font-size: 0.95rem;
}

/* Results Section */
.results {
    background: var(--white);
}

.results-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.results-text h3 {
    color: var(--teal-primary);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.results-text p {
    margin-bottom: 20px;
    color: var(--gray-dark);
}

.result-highlight {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--teal-soft);
    border-radius: 10px;
    margin-bottom: 15px;
}

.result-highlight .check-icon {
    width: 40px;
    height: 40px;
    background: var(--teal-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.result-highlight span {
    font-weight: 500;
    color: var(--gray-dark);
}

.timeline-visual {
    background: var(--gray-light);
    padding: 40px;
    border-radius: 20px;
}

.timeline-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    width: 50px;
    height: 50px;
    background: var(--teal-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    flex-shrink: 0;
}

.timeline-content h4 {
    color: var(--black);
    margin-bottom: 5px;
}

.timeline-content p {
    color: var(--gray-medium);
    font-size: 0.95rem;
}

/* Testing Section */
.testing {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-dark));
    color: var(--white);
}

.testing .section-title h2,
.testing .section-title p {
    color: var(--white);
}

.testing .accent-line {
    background: var(--white);
}

.tests-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.test-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 35px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.test-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.test-card h3 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.test-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* CTA Section */
.cta {
    background: var(--gray-light);
    text-align: center;
}

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

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--gray-medium);
    margin-bottom: 30px;
}

/* ================================================
   FOOTER STYLES
   ================================================ */
footer {
    background: var(--black);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: var(--teal-light);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

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

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--teal-light);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--teal-primary);
}

/* Disclaimer */
.disclaimer {
    background: var(--teal-soft);
    padding: 30px;
    border-radius: 10px;
    margin-top: 40px;
    text-align: center;
}

.disclaimer p {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-graphic {
        width: 300px;
        height: 300px;
    }

    .hero-graphic::before {
        width: 260px;
        height: 260px;
    }

    .hero-graphic::after {
        font-size: 80px;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .results-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 10px 15px;
    }

    .logo h1 {
        font-size: 1.4rem;
    }

    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow);
    }

    nav ul.active {
        display: flex;
    }

    nav ul li {
        padding: 15px 0;
        border-bottom: 1px solid var(--gray-light);
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text .tagline {
        font-size: 1.1rem;
    }

    section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .hsv-types {
        grid-template-columns: 1fr;
    }

    .flow-step {
        grid-template-columns: 60px 1fr;
        gap: 15px;
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.3rem;
    }

    .flow-step::before {
        left: 30px;
        top: 60px;
    }

    .step-content {
        padding: 20px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }

    .btn-secondary {
        margin-left: 0;
        margin-top: 15px;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-graphic {
        width: 250px;
        height: 250px;
    }

    .hero-graphic::before {
        width: 210px;
        height: 210px;
    }

    .hero-graphic::after {
        font-size: 60px;
    }

    .hero-text h1 {
        font-size: 1.7rem;
    }

    .product-card {
        padding: 25px 20px;
    }

    .result-highlight {
        flex-direction: column;
        text-align: center;
    }
}

/* ================================================
   ICON STYLES
   ================================================ */
.icon i,
.product-icon i,
.check-icon i,
.logo-icon i,
.test-card i {
    vertical-align: middle;
}

.product-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ================================================
   WHATSAPP BUTTON
   ================================================ */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366, #20ba5a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    opacity: 0;
    animation: slideInUp 0.5s ease forwards 1s;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-button i {
    color: var(--white);
    font-size: 1.8rem;
}

.whatsapp-tooltip {
    position: absolute;
    right: 75px;
    bottom: 15px;
    background: var(--white);
    padding: 12px 16px;
    border-radius: 25px;
    box-shadow: var(--shadow-lg);
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    color: var(--gray-dark);
}

.whatsapp-button:hover .whatsapp-tooltip {
    opacity: 1;
}

/* ================================================
   ANIMATIONS
   ================================================ */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(100px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@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 scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* GSAP Animation Classes */
.animate-fade-up {
    animation: fadeInUp 0.8s ease forwards;
}

.animate-scale-in {
    animation: scaleIn 0.8s ease forwards;
}

.animate-slide-left {
    animation: slideInLeft 0.8s ease forwards;
}

.animate-slide-right {
    animation: slideInRight 0.8s ease forwards;
}

.animate-fade-down {
    animation: fadeInDown 0.8s ease forwards;
}