/* ========================================
   Associate Petroleum Products - Styles
   ======================================== */

/* CSS Custom Properties */
:root {
    --color-terracotta-50: #fef7f4;
    --color-terracotta-100: #fdeee6;
    --color-terracotta-200: #fad5c4;
    --color-terracotta-300: #f5b59a;
    --color-terracotta-400: #ee8d6d;
    --color-terracotta-500: #e06b47;
    --color-terracotta-600: #c74e2e;
    --color-terracotta-700: #a33d24;
    --color-terracotta-800: #853321;
    --color-terracotta-900: #6e2c1d;

    --color-sand-50: #fefdfb;
    --color-sand-100: #fdf8f0;
    --color-sand-200: #faf0dc;
    --color-sand-300: #f5e0bc;
    --color-sand-400: #edc98e;
    --color-sand-500: #e0b060;
    --color-sand-600: #c9923e;
    --color-sand-700: #a6722e;
    --color-sand-800: #875a28;
    --color-sand-900: #704923;

    --color-neutral-50: #fafaf9;
    --color-neutral-100: #f5f5f4;
    --color-neutral-200: #e7e5e4;
    --color-neutral-300: #d6d3d1;
    --color-neutral-400: #a8a29e;
    --color-neutral-500: #78716c;
    --color-neutral-600: #57534e;
    --color-neutral-700: #44403c;
    --color-neutral-800: #292524;
    --color-neutral-900: #1c1917;

    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-neutral-800);
    background-color: var(--color-sand-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-neutral-900);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(254, 253, 251, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-neutral-200);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-neutral-900);
}

.logo-icon {
    font-size: 1.5rem;
}

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

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--color-neutral-600);
    position: relative;
}

.nav-links a:hover {
    color: var(--color-terracotta-600);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-terracotta-500);
    transition: var(--transition);
}

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

.btn-nav {
    background: var(--color-terracotta-500);
    color: white !important;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
}

.btn-nav:hover {
    background: var(--color-terracotta-600);
    transform: translateY(-1px);
}

.btn-nav::after {
    display: none;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-neutral-800);
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(254, 253, 251, 0.98);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-bottom: 1px solid var(--color-neutral-200);
    box-shadow: var(--shadow-lg);
}

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

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-menu a {
    font-size: 1.125rem;
    color: var(--color-neutral-700);
    font-weight: 400;
}

.mobile-menu a:hover {
    color: var(--color-terracotta-600);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.pexels.com/photos/7061/man-people-space-desk.jpg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center/cover no-repeat;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(163, 61, 36, 0.85) 0%,
        rgba(109, 44, 29, 0.75) 50%,
        rgba(133, 51, 33, 0.80) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    text-align: center;
    padding: 0 1.5rem;
}

.hero-eyebrow {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-sand-300);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 4rem);
    font-weight: 500;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--color-terracotta-500);
    color: white;
}

.btn-primary:hover {
    background: var(--color-terracotta-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}

.hero-scroll span::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(10px);
    }
}

/* ========================================
   Section Common Styles
   ======================================== */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 4rem;
}

.section-eyebrow {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-terracotta-600);
    margin-bottom: 1rem;
}

.section-eyebrow.light {
    color: var(--color-sand-300);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-title.light {
    color: white;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-neutral-600);
    line-height: 1.7;
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: 7rem 0;
    background: var(--color-sand-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-neutral-100);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-terracotta-200);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--color-terracotta-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-terracotta-600);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.375rem;
    margin-bottom: 0.75rem;
    color: var(--color-neutral-900);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-neutral-600);
    line-height: 1.7;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 7rem 0;
    background: linear-gradient(135deg, var(--color-terracotta-50) 0%, var(--color-sand-100) 100%);
}

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-xl);
    width: 100%;
    height: 700px;
    object-fit: cover;
    box-shadow: var(--shadow-xl);
}

.about-stat {
    position: absolute;
    bottom: -2rem;
    right: -1rem;
    background: var(--color-terracotta-600);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.about-stat .stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.about-stat .stat-label {
    font-size: 0.8125rem;
    opacity: 0.9;
}

.about-content .section-eyebrow {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 1rem;
    color: var(--color-neutral-600);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--color-neutral-700);
    font-weight: 500;
}

.value-icon {
    width: 24px;
    height: 24px;
    background: var(--color-terracotta-500);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ========================================
   Why Us Section
   ======================================== */
.why-us {
    padding: 7rem 0;
    background: linear-gradient(135deg, var(--color-terracotta-700) 0%, var(--color-terracotta-900) 100%);
    position: relative;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.why-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    backdrop-filter: blur(4px);
    transition: var(--transition);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.why-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.2);
    line-height: 1;
    margin-bottom: 1rem;
}

.why-card h3 {
    font-size: 1.375rem;
    color: white;
    margin-bottom: 0.75rem;
}

.why-card p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 7rem 0;
    background: var(--color-sand-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--color-neutral-600);
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--color-terracotta-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-terracotta-600);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.8125rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-neutral-500);
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 1rem;
    color: var(--color-neutral-800);
    line-height: 1.6;
}

.contact-item a {
    color: var(--color-terracotta-600);
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--color-terracotta-700);
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-neutral-100);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-neutral-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-neutral-800);
    background: var(--color-sand-50);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-terracotta-400);
    box-shadow: 0 0 0 3px rgba(224, 107, 71, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    background: var(--color-terracotta-50);
    border: 1px solid var(--color-terracotta-200);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    text-align: center;
    color: var(--color-terracotta-700);
    font-size: 0.9375rem;
}

.form-success.show {
    display: block;
}

/* ========================================
   Map Section
   ======================================== */
.map-section {
    height: 400px;
    filter: grayscale(30%);
}

.map-section iframe {
    width: 100%;
    height: 100%;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-neutral-900);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: white;
    margin-bottom: 1.25rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links a:hover {
    color: var(--color-terracotta-400);
}

.footer-contact p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: var(--color-terracotta-400);
}

.footer-contact a:hover {
    color: var(--color-terracotta-300);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        gap: 3rem;
    }

    .why-grid {
        gap: 1.5rem;
    }
}

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

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

    .hero {
        min-height: 600px;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .services {
        padding: 5rem 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about {
        padding: 5rem 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image img {
        height: 400px;
    }

    .about-stat {
        bottom: -1.5rem;
        right: 1rem;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

    .why-us {
        padding: 5rem 0;
    }

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

    .contact {
        padding: 5rem 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .hero {
        min-height: 550px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .service-card {
        padding: 2rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}