/* ============================================================
   NELTIX – Solar Energy Landing Page
   CSS Framework: Pure CSS with Grid/Flexbox
   ============================================================ */

/* ============================================================
   CSS Custom Properties / Variables
   ============================================================ */
:root {
    --color-primary: #e8720c;
    --color-primary-dark: #c45d00;
    --color-primary-light: #ff9438;
    --color-secondary: #1a3a2a;
    --color-secondary-light: #2d6147;
    --color-accent: #f7c948;
    --color-dark: #0e1f16;
    --color-text: #2c3e35;
    --color-text-light: #6b7c74;
    --color-bg: #f8faf9;
    --color-bg-white: #ffffff;
    --color-bg-section: #f0f5f2;
    --color-border: #dde8e3;
    --color-success: #2ecc71;
    --color-success-bg: #eafbf0;
    --color-success-border: #a8eec8;
    --color-error: #e74c3c;

    --font-body: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);

    --transition: 0.3s ease;
    --transition-slow: 0.6s ease;
    --nav-height: 76px;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg-white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
}

input, select, textarea {
    font-family: var(--font-body);
}

/* ============================================================
   Container
   ============================================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   Typography Utilities
   ============================================================ */
.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(232,114,12,0.12), rgba(247,201,72,0.12));
    color: var(--color-primary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 100px;
    border: 1px solid rgba(232,114,12,0.2);
    margin-bottom: 14px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-primary-custom {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 4px 20px rgba(232,114,12,0.35);
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(232,114,12,0.5);
    color: white;
}

.btn-secondary-custom {
    background: rgba(255,255,255,0.12);
    color: white;
    border: 2px solid rgba(255,255,255,0.4);
    backdrop-filter: blur(8px);
}

.btn-secondary-custom:hover {
    background: rgba(255,255,255,0.22);
    border-color: rgba(255,255,255,0.7);
    transform: translateY(-2px);
    color: white;
}

.btn-full {
    width: 100%;
}

/* ============================================================
   Navigation
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: background var(--transition), box-shadow var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.97);
    box-shadow: var(--shadow-md);
}

.navbar.scrolled .nav-links a {
    color: var(--color-text);
}

.navbar.scrolled .logo-text {
    color: var(--color-secondary);
}

.navbar.scrolled .logo-icon {
    filter: none;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

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

.logo-icon {
    font-size: 1.6rem;
    filter: drop-shadow(0 0 6px rgba(255,200,0,0.6));
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    transition: color var(--transition);
}

.logo-accent {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-links a:hover {
    background: rgba(255,255,255,0.12);
    color: white;
}

.nav-links .nav-cta {
    background: var(--color-primary);
    color: white !important;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.navbar.scrolled .nav-links .nav-cta {
    color: white !important;
}

.nav-links .nav-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-secondary);
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1800&q=80') center center / cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14,31,22,0.85) 0%, rgba(26,58,42,0.7) 50%, rgba(232,114,12,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: var(--nav-height);
}

.hero-inner {
    max-width: 760px;
    animation: heroFadeIn 1s ease forwards;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(247,201,72,0.15);
    border: 1px solid rgba(247,201,72,0.4);
    color: var(--color-accent);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 800;
    color: white;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-accent {
    color: var(--color-accent);
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.85);
    margin-bottom: 40px;
    line-height: 1.7;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    margin-top: 4px;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll-indicator span {
    display: block;
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.8), transparent);
    margin: 0 auto;
    animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* ============================================================
   About Section
   ============================================================ */
.about-section {
    padding: 100px 0;
    background: var(--color-bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-main img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-img-main:hover img {
    transform: scale(1.03);
}

.about-img-secondary {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid white;
}

.about-img-secondary img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.about-badge-float {
    position: absolute;
    top: -20px;
    left: -20px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.badge-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    display: block;
    font-size: 0.7rem;
    opacity: 0.9;
    margin-top: 2px;
}

.about-text {
    color: var(--color-text-light);
    margin-bottom: 16px;
    font-size: 1rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 28px 0 32px;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

.feature-icon-small {
    width: 22px;
    height: 22px;
    background: var(--color-success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ============================================================
   Services Section
   ============================================================ */
.services-section {
    padding: 100px 0;
    background: var(--color-bg-section);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: white;
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 2.4rem;
    margin-bottom: 20px;
    display: block;
    line-height: 1;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.88rem;
    transition: gap var(--transition);
}

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

/* ============================================================
   Benefits Section
   ============================================================ */
.benefits-section {
    padding: 100px 0;
    background: var(--color-bg-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 32px;
}

.benefit-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 20px;
    border-radius: var(--radius-md);
    background: var(--color-bg-section);
    border: 1px solid transparent;
    transition: all var(--transition);
    opacity: 0;
    transform: translateX(-20px);
}

.benefit-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.benefit-item:hover {
    border-color: var(--color-border);
    background: white;
    box-shadow: var(--shadow-sm);
}

.benefit-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    line-height: 1;
}

.benefit-text h4 {
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 6px;
    font-size: 0.98rem;
}

.benefit-text p {
    color: var(--color-text-light);
    font-size: 0.88rem;
    line-height: 1.6;
}

.benefits-image {
    position: sticky;
    top: 100px;
    border-radius: var(--radius-lg);
    overflow: visible;
}

.benefits-image > img {
    width: 100%;
    height: 550px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.benefits-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--color-secondary);
    color: white;
    padding: 20px 24px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-lg);
}

.badge-icon {
    font-size: 2rem;
}

.badge-number-lg {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.badge-label {
    display: block;
    font-size: 0.78rem;
    opacity: 0.8;
    margin-top: 2px;
}

/* ============================================================
   Process Section
   ============================================================ */
.process-section {
    padding: 100px 0;
    background: var(--color-secondary);
    position: relative;
    overflow: hidden;
}

.process-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(232,114,12,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.process-section .section-tag {
    background: rgba(247,201,72,0.15);
    color: var(--color-accent);
    border-color: rgba(247,201,72,0.3);
}

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

.process-section .section-desc {
    color: rgba(255,255,255,0.7);
}

.process-timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 56px;
    top: 40px;
    bottom: 40px;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
    opacity: 0.4;
}

.process-step {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    padding: 24px 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.process-step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-primary);
    width: 56px;
    height: 56px;
    background: rgba(232,114,12,0.15);
    border: 2px solid rgba(232,114,12,0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.step-content {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 28px;
    flex: 1;
    transition: all var(--transition);
}

.step-content:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(232,114,12,0.3);
}

.step-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
}

.step-content p {
    color: rgba(255,255,255,0.7);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ============================================================
   Testimonials Section
   ============================================================ */
.testimonials-section {
    padding: 100px 0;
    background: var(--color-bg-section);
    overflow: hidden;
}

.testimonials-slider {
    position: relative;
}

.testimonials-track {
    display: flex;
    gap: 28px;
    transition: transform 0.5s ease;
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--color-border);
    min-width: calc(33.333% - 19px);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.testimonial-rating {
    font-size: 1rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-primary);
}

.testimonial-author strong {
    display: block;
    font-weight: 700;
    color: var(--color-secondary);
    font-size: 0.95rem;
}

.testimonial-author span {
    display: block;
    font-size: 0.82rem;
    color: var(--color-text-light);
    margin-top: 2px;
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.slider-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--color-border);
    font-size: 1.1rem;
    color: var(--color-secondary);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.slider-dots {
    display: flex;
    gap: 8px;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.slider-dot.active {
    background: var(--color-primary);
    width: 24px;
    border-radius: 4px;
}

/* ============================================================
   FAQ Section
   ============================================================ */
.faq-section {
    padding: 100px 0;
    background: var(--color-bg-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.faq-item.open {
    box-shadow: var(--shadow-sm);
    border-color: rgba(232,114,12,0.3);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 22px 24px;
    background: white;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transition: all var(--transition);
}

.faq-question:hover {
    background: var(--color-bg-section);
    color: var(--color-primary);
}

.faq-item.open .faq-question {
    background: linear-gradient(135deg, rgba(232,114,12,0.06), rgba(247,201,72,0.04));
    color: var(--color-primary);
}

.faq-icon {
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--color-primary);
    flex-shrink: 0;
    transition: transform var(--transition);
    line-height: 1;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
    max-height: 400px;
}

.faq-answer p {
    padding: 0 24px 22px;
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.75;
}

/* ============================================================
   Contact Section
   ============================================================ */
.contact-section {
    padding: 100px 0;
    background: var(--color-bg-section);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 60px;
    align-items: start;
}

.contact-desc {
    color: var(--color-text-light);
    margin-bottom: 36px;
    font-size: 1rem;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.4rem;
    width: 48px;
    height: 48px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-weight: 700;
    color: var(--color-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}

.contact-item span,
.contact-item a {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-item a:hover {
    color: var(--color-primary);
}

/* ============================================================
   Contact Form
   ============================================================ */
.contact-form-wrap {
    background: white;
    border-radius: var(--radius-xl);
    padding: 44px;
    box-shadow: var(--shadow-lg);
}

.form-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: all var(--transition);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(232,114,12,0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 4px rgba(231,76,60,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.field-error {
    display: block;
    color: var(--color-error);
    font-size: 0.8rem;
    margin-top: 5px;
    font-weight: 500;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    color: var(--color-text-light);
    position: relative;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--color-primary);
}

.form-check a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form-check .field-error {
    position: absolute;
    bottom: -18px;
    left: 28px;
}

/* ============================================================
   Form Success Message
   ============================================================ */
#formSuccess {
    text-align: center;
    padding: 50px 20px;
    background: var(--color-success-bg);
    border: 2px solid var(--color-success-border);
    border-radius: var(--radius-lg);
}

.success-icon {
    width: 64px;
    height: 64px;
    background: var(--color-success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 auto 20px;
    animation: successPop 0.5s ease forwards;
}

@keyframes successPop {
    0% { transform: scale(0); }
    70% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

#formSuccess h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

#formSuccess p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 360px;
    margin: 0 auto;
}

/* ============================================================
   Gallery Section
   ============================================================ */
.gallery-section {
    padding: 100px 0;
    background: var(--color-bg-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 16px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-wide {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-wide img {
    height: 280px;
}

.gallery-item:hover img {
    transform: scale(1.06);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(14,31,22,0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.75);
}

.footer-top {
    padding: 80px 0 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 48px;
}

.footer-logo {
    margin-bottom: 20px;
    display: inline-flex;
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 24px;
    color: rgba(255,255,255,0.6);
}

.footer-social {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer-col ul li a:hover {
    color: var(--color-primary-light);
}

.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.fc-icon {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact-list span,
.footer-contact-list a {
    color: rgba(255,255,255,0.6);
    font-size: 0.88rem;
    line-height: 1.5;
}

.footer-contact-list a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.45);
}

.footer-legal {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(255,255,255,0.45);
    font-size: 0.82rem;
    transition: color var(--transition);
}

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

/* ============================================================
   Cookie Consent
   ============================================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(14,31,22,0.97);
    backdrop-filter: blur(12px);
    border-top: 2px solid rgba(232,114,12,0.4);
    padding: 20px 24px;
    transform: translateY(100%);
    transition: transform 0.5s ease;
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-text {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    min-width: 280px;
}

.cookie-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.cookie-text strong {
    display: block;
    color: white;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.cookie-text p {
    color: rgba(255,255,255,0.65);
    font-size: 0.82rem;
    line-height: 1.6;
    margin: 0;
}

.cookie-text p a {
    color: var(--color-primary-light);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.cookie-btn {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition);
    white-space: nowrap;
}

.cookie-accept {
    background: var(--color-primary);
    color: white;
}

.cookie-accept:hover {
    background: var(--color-primary-dark);
}

.cookie-reject {
    background: transparent;
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.25);
}

.cookie-reject:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.cookie-customize {
    background: transparent;
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.25);
}

.cookie-customize:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.cookie-customize-panel {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 16px;
    padding-top: 16px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.cookie-toggles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.cookie-toggle-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.05);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
}

.cookie-toggle-item strong {
    display: block;
    color: white;
    font-size: 0.85rem;
}

.cookie-toggle-item small {
    display: block;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    margin-top: 2px;
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
    transition: background var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    left: 3px;
    top: 3px;
    transition: transform var(--transition);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.toggle-switch input:disabled + .toggle-slider {
    background: rgba(46,204,113,0.6);
    cursor: not-allowed;
}

/* ============================================================
   Responsive Design
   ============================================================ */
@media (max-width: 1024px) {
    .about-grid,
    .benefits-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-images {
        order: -1;
    }

    .benefits-image {
        position: relative;
        top: 0;
    }

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

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

    .testimonial-card {
        min-width: calc(50% - 14px);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(14,31,22,0.97);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 24px;
        gap: 6px;
        z-index: 999;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        color: white;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-stats {
        gap: 24px;
    }

    .about-img-secondary {
        display: none;
    }

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

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

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

    .contact-form-wrap {
        padding: 28px 20px;
    }

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

    .gallery-wide {
        grid-column: span 2;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .process-timeline::before {
        left: 24px;
    }

    .step-number {
        width: 48px;
        height: 48px;
        font-size: 0.8rem;
    }

    .testimonial-card {
        min-width: calc(100% - 0px);
    }

    .cookie-inner {
        flex-direction: column;
    }

    .cookie-buttons {
        width: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-wide {
        grid-column: span 1;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .footer-legal {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
}