/* ============================================
   ABHAA FUEL SOLUTIONS - Industrial Green Theme
   Elegant, Professional, Eco-Friendly
   ============================================ */

:root {
    --primary: #00c853;
    --primary-dark: #009624;
    --primary-light: #5efc82;
    --secondary: #00e676;
    --accent: #69f0ae;
    --dark: #000000;
    --dark-card: #0a0a0a;
    --dark-surface: #111111;
    --dark-border: #1a1a1a;
    --text: #e8e8e8;
    --text-muted: #888888;
    --text-dim: #555555;
    --white: #ffffff;
    --gradient-green: linear-gradient(135deg, #00c853, #69f0ae);
    --gradient-dark: linear-gradient(180deg, #000000, #0a0a0a);
    --shadow-green: 0 0 20px rgba(0,200,83,0.15);
    --shadow-card: 0 4px 30px rgba(0,0,0,0.8);
    --radius: 4px;
    --radius-sm: 2px;
    --font-display: 'Orbitron', monospace;
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--dark);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    width: 100%;
}

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

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

/* Utility */
.text-gradient {
    background: var(--gradient-green);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--primary);
    border: 1px solid rgba(0,200,83,0.3);
    padding: 0.4rem 1.2rem;
    margin-bottom: 1.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--white);
}

.section-desc {
    color: var(--text-muted);
    max-width: 550px;
    margin: 0 auto;
    font-size: 0.95rem;
}

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-container { text-align: center; }

.loader-logo {
    margin: 0 auto 1.5rem;
    width: 120px;
    height: 120px;
    position: relative;
}

.loader-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.loader-needle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    transform-origin: 50% 48%;
    animation: needleSweep 2s ease-in-out infinite;
    pointer-events: none;
}

@keyframes needleSweep {
    0% { transform: rotate(-55deg); }
    50% { transform: rotate(110deg); }
    100% { transform: rotate(-55deg); }
}

.loader-text-wrapper {
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.loader-text-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    animation: loaderTextReveal 1.2s ease-out 0.3s both;
    filter: drop-shadow(0 1px 3px rgba(0,0,0,0.4));
}

@keyframes loaderLogoPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.85; }
}

@keyframes loaderTextReveal {
    0% { 
        opacity: 0;
        transform: scaleX(0);
    }
    50% {
        opacity: 1;
        transform: scaleX(1.05);
    }
    100% { 
        opacity: 1;
        transform: scaleX(1);
    }
}

.loader-bar {
    width: 150px;
    height: 2px;
    background: #1a1a1a;
    margin: 0 auto;
    overflow: hidden;
}

.loader-fill {
    width: 0%;
    height: 100%;
    background: var(--gradient-green);
    animation: loaderFill 3.5s ease-in-out forwards;
}

/* Preloader tagline - "Re-energizing Future" */
.loader-tagline {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 1rem;
    letter-spacing: 1px;
    opacity: 0;
    animation: fadeIn 1s ease-out 0.8s forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ============================================
   PARTICLE CANVAS
   ============================================ */
#particle-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.2rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(0,0,0,0.95);
    border-bottom: 1px solid var(--dark-border);
    padding: 0.8rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.logo-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
}

.logo-icon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(0,200,83,0.3));
    transition: var(--transition);
}

.nav-logo:hover .logo-icon-img {
    filter: drop-shadow(0 0 12px rgba(0,200,83,0.5));
    transform: scale(1.05);
}

.logo-text-img {
    height: 36px;
    width: auto;
    object-fit: contain;
    align-self: center;
    margin-top: 20px;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
    transition: var(--transition);
}

.nav-logo:hover .logo-text-img {
    filter: drop-shadow(0 1px 4px rgba(0,200,83,0.3));
}

.flame-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 6px rgba(0,200,83,0.4));
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white);
}

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


/* Hero Logo */
.hero-logo {
    margin-bottom: 2rem;
}

.hero-logo-img {
    width: 280px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 20px rgba(0,200,83,0.2)) drop-shadow(0 0 40px rgba(255,165,0,0.15));
    animation: heroLogoFloat 4s ease-in-out infinite;
}

@keyframes heroLogoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Footer Logo */
.footer-logo-link {
    display: inline-block;
    transition: var(--transition);
}

.footer-logo-link:hover {
    transform: scale(1.03);
}

.footer-logo-img {
    width: 200px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 10px rgba(0,200,83,0.15));
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-link:hover,
.nav-link.active { color: var(--primary); }

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 22px;
    height: 1.5px;
    background: var(--text);
    transition: var(--transition);
}


/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 1rem 2rem 4rem;
    background: #000;
}

.hero-bg-animation {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.oil-wave {
    position: absolute;
    bottom: -60%;
    left: -10%;
    width: 120%;
    height: 100%;
    border-radius: 45%;
    opacity: 0.03;
}

.wave-1 { background: var(--primary); animation: waveRotate 20s linear infinite; }
.wave-2 { background: var(--secondary); animation: waveRotate 25s linear infinite reverse; bottom: -65%; }
.wave-3 { background: var(--accent); animation: waveRotate 30s linear infinite; bottom: -70%; }

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(0,200,83,0.3);
    padding: 0.4rem 1.2rem;
    margin-bottom: 2rem;
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    color: var(--white);
}

/* Bigger "Eco-Friendly Energy" headline - responsive */
.eco-headline {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 10vw, 6rem);
    font-weight: 700;
    background: var(--gradient-green);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.title-line.eco-friendly-headline {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    background: var(--gradient-green);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.3rem;
}

.title-gradient {
    background: var(--gradient-green);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

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

.btn-primary:hover {
    background: var(--primary-light);
    box-shadow: var(--shadow-green);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--dark-border);
}

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

.btn-full { width: 100%; justify-content: center; }

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.hero-stat { text-align: center; }

.hero-stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.hero-stat-suffix {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--accent);
}

.hero-stat-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dim);
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 20px;
    height: 32px;
    border: 1px solid var(--text-dim);
    border-radius: 10px;
    position: relative;
}

.scroll-wheel {
    width: 3px;
    height: 6px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}


/* ============================================
   OIL TIMER (StatsPanda-style)
   ============================================ */
.oil-timer-hero { margin-bottom: 4rem; }

.oil-timer-display {
    background: var(--dark-card);
    border: 2px solid rgba(0, 200, 83, 0.5);
    min-height: 200px;
    text-align: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow: hidden;
}

.oil-timer-big {
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    white-space: nowrap;
    width: 100%;
    max-width: 100%;
    font-size: 0;
}

.oil-timer-val {
    font-family: var(--font-display);
    font-size: min(6vw, 5rem);
    font-weight: 900;
    color: var(--white);
    letter-spacing: -1px;
}

.oil-timer-suffix {
    font-family: var(--font-display);
    font-size: min(2.8vw, 2.2rem);
    font-weight: 400;
    color: var(--text-dim);
    margin-left: 0.1em;
    margin-right: 0.5em;
}

.oil-timer-suffix:last-child {
    margin-right: 0;
}

.oil-timer-title {
    font-family: var(--font-heading);
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.8rem;
}

.oil-timer-title span { color: var(--text-muted); }

.oil-timer-context {
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 3px;
    color: var(--text-dim);
    margin-bottom: 1.5rem;
}

.oil-timer-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.oil-tab {
    font-family: var(--font-display);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    padding: 0.5rem 1rem;
    border: 1px solid var(--dark-border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.oil-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.oil-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #000;
}

.oil-timer-val.negative { color: #ef5350; }

/* ============================================
   COUNTDOWN SECTION
   ============================================ */
.countdown-section {
    padding: 4rem 0;
    padding-top: 10rem;
    position: relative;
    background: var(--dark);
    overflow: hidden;
}

.countdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.countdown-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    padding: 2rem;
    position: relative;
    transition: var(--transition);
}

.countdown-card:hover {
    border-color: var(--primary);
}

.card-glow { display: none; }

.oil-card { --card-color: #00c853; }
.gas-card { --card-color: #00b0ff; }
.coal-card { --card-color: #ffd600; }

.fuel-icon {
    width: 48px;
    height: 48px;
    color: var(--card-color);
    margin-bottom: 1rem;
}

.fuel-svg { width: 100%; height: 100%; }

.fuel-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--card-color);
    margin-bottom: 1.2rem;
}

.countdown-timer {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}

.timer-unit {
    text-align: center;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--dark-border);
    padding: 0.5rem 0.4rem;
    min-width: 48px;
}

.timer-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--card-color);
    line-height: 1;
}

.timer-label {
    display: block;
    font-size: 0.55rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.3rem;
}

.timer-separator {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-dim);
    animation: blink 1s step-end infinite;
}

.fuel-progress { margin-bottom: 0.8rem; }

.progress-bar {
    width: 100%;
    height: 3px;
    background: var(--dark-border);
    overflow: hidden;
    margin-bottom: 0.4rem;
}

.progress-fill { height: 100%; }
.oil-fill { background: var(--primary); }
.gas-fill { background: #00b0ff; }
.coal-fill { background: #ffd600; }

.progress-text { font-size: 0.7rem; color: var(--text-dim); }

.consumption-rate {
    font-size: 0.7rem;
    color: var(--text-dim);
    padding-top: 0.5rem;
    border-top: 1px solid var(--dark-border);
}

.countdown-footer {
    text-align: center;
    padding: 1.5rem;
    border: 1px solid var(--dark-border);
}

.countdown-footer p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}


/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
    padding: 8rem 0;
    border-top: 1px solid var(--dark-border);
}

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

.about-visual {
    position: relative;
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image-container {
    position: relative;
    width: 100%;
    height: 350px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-shape { display: none; }

.fuel-gauge {
    position: relative;
    text-align: center;
}

.gauge-outer { width: 200px; height: 200px; position: relative; }

.gauge-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.gauge-progress {
    animation: gaugeAnimate 3s ease-out forwards;
    stroke-dashoffset: 565;
}

.gauge-inner {
    position: absolute;
    inset: 30px;
    background: var(--dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gauge-needle {
    width: 2px;
    height: 50px;
    background: var(--primary);
    transform-origin: bottom center;
    animation: needleSwing 4s ease-in-out infinite;
}

.gauge-center {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
}

.gauge-labels {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--text-dim);
}

.about-content .section-tag { margin-bottom: 1rem; }

.about-text {
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    line-height: 1.8;
    font-size: 0.9rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--dark-border);
    transition: var(--transition);
}

.about-feature:hover {
    border-color: var(--primary);
}

.feature-icon {
    font-size: 1.3rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.about-feature h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.2rem;
}

.about-feature p { font-size: 0.8rem; color: var(--text-muted); }

/* About section text override - white text for background image readability */
.about-section .about-text {
    color: #ffffff;
}
.about-section .about-feature p {
    color: rgba(255,255,255,0.85);
}
.about-section .about-feature h4 {
    color: #ffffff;
}
.about-section .section-title {
    color: #ffffff;
}
.about-section .about-feature {
    border-color: rgba(255,255,255,0.2);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
    padding: 8rem 0;
    background: var(--dark-surface);
    border-top: 1px solid var(--dark-border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: 1.5rem;
}

.service-card {
    position: relative;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    padding: 2rem;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--primary);
}

.service-card-bg { display: none; }

.service-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    color: var(--dark-border);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.service-card:hover .service-number { color: rgba(0,200,83,0.2); }

.service-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
    margin-bottom: 1.2rem;
}

.service-icon svg { width: 100%; height: 100%; }

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.8rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.service-link {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.service-link:hover { color: var(--accent); }

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
    padding: 8rem 0;
    border-top: 1px solid var(--dark-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
    gap: 1.5rem;
}

.stat-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    transition: var(--transition);
}

.stat-card:hover { border-color: var(--primary); }

.stat-icon-bg {
    width: 48px;
    height: 48px;
    margin: 0 auto 1.2rem;
    color: var(--primary);
    opacity: 0.5;
}

.stat-icon-bg svg { width: 100%; height: 100%; }

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    display: inline;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--accent);
    display: inline;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}


/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    padding: 8rem 0;
    background: var(--dark-surface);
    border-top: 1px solid var(--dark-border);
}

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

.contact-info .section-tag { margin-bottom: 1rem; }

.contact-desc {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item-icon {
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--dark-border);
    flex-shrink: 0;
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--white);
    margin-bottom: 0.2rem;
}

.contact-item p { color: var(--text-muted); font-size: 0.85rem; }

/* Newsletter */
.newsletter {
    padding: 1.2rem;
    border: 1px solid var(--dark-border);
}

.newsletter h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    margin-bottom: 0.8rem;
    color: var(--white);
}

.newsletter-form { display: flex; gap: 0.5rem; }

.newsletter-form input {
    flex: 1;
    padding: 0.6rem 1rem;
    background: var(--dark);
    border: 1px solid var(--dark-border);
    color: var(--text);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition);
}

.newsletter-form input:focus { border-color: var(--primary); }

.newsletter-msg { font-size: 0.75rem; margin-top: 0.5rem; color: var(--primary); }

/* Contact Form */
.contact-form-container {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    padding: 2rem;
}

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.3rem; }

.form-group label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    padding: 0.7rem 1rem;
    background: var(--dark);
    border: 1px solid var(--dark-border);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus { border-color: var(--primary); }

/* Inline field errors */
.field-error {
    font-size: 0.75rem;
    color: #ef5350;
    min-height: 1rem;
    display: block;
}

.form-group input.input-error,
.form-group textarea.input-error,
.phone-input-group.input-error select,
.phone-input-group.input-error input {
    border-color: #ef5350;
}

/* Phone input with country code */
.phone-input-group {
    display: flex;
    gap: 0;
}

.phone-input-group select {
    padding: 0.7rem 0.5rem;
    background: var(--dark);
    border: 1px solid var(--dark-border);
    border-right: none;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.82rem;
    outline: none;
    transition: var(--transition);
    width: 100px;
    flex-shrink: 0;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2399a1a8' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 22px;
}

.phone-input-group select:focus {
    border-color: var(--primary);
}

.phone-input-group input {
    padding: 0.7rem 1rem;
    background: var(--dark);
    border: 1px solid var(--dark-border);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition);
    flex: 1;
    min-width: 0;
}

.phone-input-group input:focus {
    border-color: var(--primary);
}

.form-msg { font-size: 0.8rem; text-align: center; }
.form-msg.success { color: var(--primary); }
.form-msg.error { color: #ef5350; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark-card);
    border-top: 1px solid var(--dark-border);
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    font-size: 0.8rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 0.25rem 0;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-border);
    font-size: 0.7rem;
    color: var(--text-dim);
}


/* ============================================
   RESPONSIVE - Fully Adaptive for All Screens
   ============================================ */

/* Tablet landscape */
@media (max-width: 1024px) {
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-stats { gap: 3rem; }
    .title-line.eco-friendly-headline { font-size: clamp(2.5rem, 7vw, 4.5rem); }
    .eco-headline { font-size: clamp(3rem, 8vw, 5rem); }
}

/* Tablet portrait / Large phones */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 300px;
        height: 100vh;
        background: #000;
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem;
        gap: 1.5rem;
        transition: right 0.3s;
        border-left: 1px solid var(--dark-border);
    }
    .nav-menu.active { right: 0; }
    .nav-toggle { display: flex; z-index: 1001; }
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    /* Logo */
    .logo-icon { width: 44px; height: 44px; }
    .logo-text-img { height: 30px; }
    .hero-logo-img { width: 220px; }
    .footer-logo-img { width: 170px; }

    /* Hero */
    .hero-section { padding: 1rem 1.5rem 3rem; }
    .hero-stats { gap: 2rem; }
    .hero-subtitle { font-size: 0.9rem; }
    .title-line.eco-friendly-headline { font-size: clamp(2.2rem, 7vw, 3.5rem); }
    .eco-headline { font-size: clamp(2.5rem, 9vw, 4rem); }

    /* Timer */
    .oil-timer-display { padding: 2.5rem 1rem; }

    /* Grids */
    .countdown-grid, .services-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
    .footer-brand { display: flex; flex-direction: column; align-items: center; }
    .footer-brand p { max-width: 100%; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
    .footer-container { padding: 0 1.5rem; }

    /* Forms */
    .newsletter-form { flex-direction: column; }

    /* Sections */
    .section-container { padding: 0 1.5rem; }
    .nav-container { padding: 0 1.5rem; }
    .countdown-section { padding-top: 8rem; }
    .about-section, .services-section, .stats-section, .contact-section { padding: 5rem 0; }

    /* Contact */
    .contact-form-container { padding: 1.5rem; }
}

/* Mobile phones */
@media (max-width: 480px) {
    /* Typography */
    .title-line { font-size: clamp(1.8rem, 8vw, 2.5rem); }
    .title-line.eco-friendly-headline { font-size: clamp(2rem, 9vw, 3rem); }
    .eco-headline { font-size: clamp(2.2rem, 10vw, 3.2rem); }
    .section-title { font-size: clamp(1.4rem, 5vw, 1.8rem); }
    .section-desc { font-size: 0.85rem; }
    .section-tag { font-size: 0.55rem; letter-spacing: 2px; padding: 0.3rem 0.8rem; }

    /* Hero */
    .hero-section { padding: 1rem 1rem 2.5rem; }
    .hero-stat-number { font-size: 1.5rem; }
    .hero-stats { gap: 1.5rem; }
    .hero-subtitle { font-size: 0.85rem; margin-bottom: 2rem; }
    .hero-badge { font-size: 0.6rem; padding: 0.3rem 0.8rem; }
    .hero-logo-img { width: 180px; }

    /* Timer */
    .oil-timer-display { padding: 1.5rem 0.5rem; }
    .oil-timer-title { font-size: 0.95rem; }
    .oil-timer-context { font-size: 0.55rem; letter-spacing: 2px; }
    .oil-tab { font-size: 0.5rem; padding: 0.35rem 0.6rem; letter-spacing: 1px; }

    /* Countdown cards */
    .countdown-card { padding: 1.5rem 1rem; }
    .timer-unit { min-width: 38px; padding: 0.4rem 0.3rem; }
    .timer-value { font-size: 1rem; }
    .timer-label { font-size: 0.5rem; }
    .countdown-section { padding-top: 6rem; }

    /* Logo */
    .logo-icon { width: 38px; height: 38px; }
    .logo-text-img { height: 24px; }
    .footer-logo-img { width: 140px; }

    /* Sections */
    .section-container { padding: 0 1rem; }
    .nav-container { padding: 0 1rem; }
    .about-section, .services-section, .stats-section, .contact-section { padding: 4rem 0; }
    .section-header { margin-bottom: 2.5rem; }

    /* Stats */
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .stat-card { padding: 1.5rem 1rem; }
    .stat-number { font-size: 2rem; }

    /* Services */
    .service-card { padding: 1.5rem 1rem; }
    .service-number { font-size: 1.5rem; }

    /* Contact */
    .contact-form-container { padding: 1.2rem; }
    .contact-item { gap: 0.75rem; }
    .contact-item-icon { width: 36px; height: 36px; font-size: 1rem; }
    .phone-input-group select { width: 85px; font-size: 0.75rem; }

    /* Footer */
    .footer { padding: 3rem 0 1.5rem; }
    .footer-container { padding: 0 1rem; }
    .footer-grid { gap: 1.5rem; margin-bottom: 2rem; }

    /* Buttons */
    .btn { padding: 0.7rem 1.4rem; font-size: 0.75rem; }
    .hero-cta { gap: 0.75rem; }
}

/* Very small phones (320px and below) */
@media (max-width: 360px) {
    .oil-timer-big { white-space: nowrap; }
    .title-line { font-size: 1.6rem; }
    .title-line.eco-friendly-headline { font-size: 1.8rem; }
    .eco-headline { font-size: 2rem; }
    .hero-stats { flex-direction: column; gap: 1rem; }
    .stats-grid { grid-template-columns: 1fr; }
    .timer-unit { min-width: 34px; }
    .timer-value { font-size: 0.9rem; }
    .section-container { padding: 0 0.75rem; }
    .nav-container { padding: 0 0.75rem; }
    .countdown-card { padding: 1.2rem 0.75rem; }
    .oil-tab { font-size: 0.45rem; padding: 0.3rem 0.5rem; }
    .hero-badge { font-size: 0.5rem; }
    .btn { padding: 0.6rem 1.2rem; font-size: 0.7rem; width: 100%; justify-content: center; }
    .hero-cta { flex-direction: column; width: 100%; }
}