/* =========================================================================
   Ayriz Oil - Premium Landing Page Styles
   ========================================================================= */

/* Variables */
:root {
    /* Color Palette */
    --color-primary: #D4AF37;
    /* Premium Gold */
    --color-primary-hover: #b5952f;
    --color-bg-dark: #121413;
    /* Slate/Dark Greenish */
    --color-bg-light: #1A1C1B;
    --color-text-main: #EAEAEA;
    --color-text-muted: #A0A0A0;
    --color-surface: rgba(255, 255, 255, 0.03);
    --color-surface-hover: rgba(255, 255, 255, 0.08);
    --color-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #ffffff;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--color-text-muted);
}

.highlight {
    color: var(--color-primary);
}

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 6rem 0;
    position: relative;
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-medium);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-text {
    background: transparent;
    color: var(--color-text-main);
    border-bottom: 1px solid transparent;
    border-radius: 0;
    padding: 0.5rem 0;
}

.btn-text:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
}


/* =========================================
   Navigation
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    padding: 1rem 0;
    background-color: rgba(18, 20, 19, 0.9);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--color-border);
}

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

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: auto;
    max-height: 48px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-main);
}

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

@media (max-width: 768px) {

    .nav-links,
    .navbar .btn-outline {
        display: none;
    }
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #121413 0%, rgba(18, 20, 19, 0.9) 40%, rgba(18, 20, 19, 0.4) 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-content p {
    font-size: 1.125rem;
    max-width: 480px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

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

.product-shot {
    max-height: 600px;
    z-index: 2;
    animation: floating 6s ease-in-out infinite;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
}

.glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.3) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    z-index: 1;
    filter: blur(30px);
}

@keyframes floating {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

@media (max-width: 991px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-bg img {
        object-position: 70% center;
    }

    .hero-bg .overlay {
        background: linear-gradient(0deg, #121413 0%, rgba(18, 20, 19, 0.8) 50%, rgba(18, 20, 19, 0.9) 100%);
    }

    .hero-content {
        margin: 0 auto;
        order: 1;
    }

    .hero-content p {
        margin: 0 auto 2.5rem auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        order: 2;
        margin-top: 3rem;
    }

    .product-shot {
        max-height: 400px;
    }
}

/* =========================================
   Trust Section
   ========================================= */
.trust {
    padding: 3rem 0;
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.trust p {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

.trust-icons {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.trust-item i {
    font-size: 2rem;
    color: var(--color-primary);
}

.trust-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* =========================================
   Benefits Section
   ========================================= */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition-medium);
}

.benefit-card:hover {
    background: var(--color-surface-hover);
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.3);
}

.icon-box {
    width: 64px;
    height: 64px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
}

.icon-box i {
    font-size: 2rem;
    color: var(--color-primary);
}

/* =========================================
   Feature Split Sections
   ========================================= */
.split-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.split-image {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
}

.split-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 30px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

.feature-list {
    margin: 2rem 0 2.5rem 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
    color: #fff;
}

.feature-list i {
    color: var(--color-primary);
    font-size: 1.5rem;
}

@media (max-width: 991px) {
    .split-container {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   Ingredients Section
   ========================================= */
.ingredients {
    background-color: var(--color-bg-light);
}

.ingredients-top-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 2rem;
}

.ingredients-header-text h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.ingredients-header-text p {
    font-size: 1.125rem;
}

.ingredients-image-center {
    text-align: center;
}

@media (max-width: 991px) {
    .ingredients-top-split {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        margin-bottom: 3rem;
        display: flex;
        flex-direction: column;
    }

    .ingredients-header-text {
        order: 1;
    }

    .ingredients-image-center {
        order: 2;
    }
}

.centered-ingredient-img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    border-radius: 30px;
    display: inline-block;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.4));
}

.ingredient-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.ingredient-item {
    padding-left: 2rem;
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition-medium);
}

.ingredient-item:hover {
    background: var(--color-surface-hover);
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.3);
}

.ingredient-item::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 2.4rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-primary);
}

.ingredient-item h4 {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

/* =========================================
   How to Use Section
   ========================================= */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
}

.steps::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    z-index: 0;
}

@media (max-width: 768px) {
    .steps::before {
        display: none;
    }
}

.step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 64px;
    height: 64px;
    background-color: var(--color-bg-dark);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 auto 1.5rem auto;
}

/* =========================================
   Testimonials Section
   ========================================= */
.testimonials {
    background-color: var(--color-bg-dark);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.testimonial-card:hover {
    background: var(--color-surface-hover);
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.3);
}

.testimonial-card img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 3px solid var(--color-primary);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.testimonial-card .quote {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
    flex-grow: 1;
}

.testimonial-card .author {
    color: var(--color-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0;
}

/* =========================================
   CTA Section
   ========================================= */
.cta {
    text-align: center;
}

.cta-container h2 {
    max-width: 800px;
    margin: 0 auto 1rem auto;
}

.cta-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--color-border);
    border-radius: 30px;
    padding: 4rem 2rem;
    max-width: 800px;
    margin: 3rem auto 0 auto;
    backdrop-filter: blur(10px);
}

.price-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2.5rem;
}

.original-price {
    font-size: 2.5rem;
    color: #a0a0a0;
    text-decoration: line-through;
    margin-bottom: 0.5rem;
}

.current-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.volume {
    font-size: 1rem;
    color: var(--color-text-main);
}

.guarantee {
    margin-top: 1.5rem;
    margin-bottom: 0;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.guarantee i {
    color: #4CAF50;
    font-size: 1.25rem;
}

/* =========================================
   Footer
   ========================================= */
footer {
    background-color: #0a0b0a;
    padding: 4rem 0 2rem 0;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    max-width: 300px;
    margin-top: 1rem;
}

footer h4 {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

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

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-muted);
}

.footer-contact i {
    color: var(--color-primary);
    font-size: 1.25rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    margin-bottom: 0;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* =========================================
   Animations (Intersection Observer)
   ========================================= */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.visible {
    opacity: 1;
    transform: translate(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}