/* ==========================================================================
   [Your Company] - Website Template
   Responsive Stylesheet
   ==========================================================================
   Replace [Your Company] with your actual company name throughout.
   Adjust the CSS variables below to match your brand colors.
   ========================================================================== */

/* ---------- CSS Variables (Customize your brand colors here) ---------- */
:root {
    --color-primary: #0055a5;        /* Main brand color - blue */
    --color-primary-dark: #003d7a;   /* Darker shade for hover */
    --color-primary-light: #e8f1fa;  /* Light background tint */
    --color-accent: #ff6b00;         /* Accent/CTA color - orange */
    --color-accent-dark: #e55f00;
    --color-dark: #1a1a2e;           /* Dark sections background */
    --color-dark-2: #16213e;         /* Secondary dark */
    --color-text: #333333;           /* Body text */
    --color-text-light: #666666;     /* Secondary text */
    --color-text-muted: #999999;     /* Muted text */
    --color-border: #e0e0e0;         /* Border color */
    --color-bg: #ffffff;             /* Page background */
    --color-bg-alt: #f5f7fa;         /* Alternate section background */
    --color-white: #ffffff;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);

    --transition: 0.3s ease;
    --container-max: 1200px;
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

/* ---------- Container ---------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    white-space: nowrap;
}

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

.btn--primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.35);
}

.btn--outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

.btn--dark {
    background: var(--color-dark);
    color: var(--color-white);
    border-color: var(--color-dark);
}

.btn--dark:hover {
    background: var(--color-dark-2);
    color: var(--color-white);
}

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

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

.btn--sm {
    padding: 10px 24px;
    font-size: 0.875rem;
}

.btn--block {
    width: 100%;
}

/* ---------- Section ---------- */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 50px;
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ==========================================================================
   Top Bar
   ========================================================================== */
.topbar {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.8rem;
    padding: 8px 0;
}

.topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.topbar__left {
    display: flex;
    gap: 24px;
}

.topbar__link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.85);
}

.topbar__link:hover {
    color: var(--color-white);
}

.topbar__right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.topbar__text {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.78rem;
}

.topbar__social {
    display: flex;
    gap: 12px;
}

.topbar__social a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

.topbar__social a:hover {
    color: var(--color-white);
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition);
}

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

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.header__logo {
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.5px;
}

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

.logo-text--light {
    color: var(--color-white);
}

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

.nav__menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav__item {
    position: relative;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

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

.nav__link svg {
    transition: transform var(--transition);
}

.nav__item--has-dropdown:hover .nav__link svg {
    transform: rotate(180deg);
}

.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
}

.nav__item--has-dropdown:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__dropdown li a {
    display: block;
    padding: 10px 20px;
    font-size: 0.88rem;
    color: var(--color-text);
    transition: all var(--transition);
}

.nav__dropdown li a:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding-left: 26px;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav__toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-dark);
    cursor: pointer;
    padding: 4px;
}

.nav__close {
    display: none;
    background: none;
    border: none;
    color: var(--color-dark);
    cursor: pointer;
    padding: 4px;
    position: absolute;
    top: 16px;
    right: 16px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    color: var(--color-white);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-color: var(--color-dark);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(0, 85, 165, 0.75) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: 80px 20px;
    max-width: 750px;
}

.hero__badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 6px 18px;
    border-radius: 30px;
    margin-bottom: 20px;
}

.hero__title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 28px;
}

.hero__features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.hero__feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
}

.hero__feature svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.hero__desc {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    max-width: 600px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about__text {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 18px;
    line-height: 1.8;
}

.about__image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
}

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

.about__badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
}

.about__badge-num {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.about__badge-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    line-height: 1.3;
}

.about__col .section-title {
    text-align: left;
}

.about__col .section-eyebrow {
    margin-bottom: 12px;
}

.about .btn {
    margin-top: 12px;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
    background: var(--color-bg-alt);
}

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

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 36px 30px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid transparent;
}

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

.service-card__icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: background var(--transition);
}

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

.service-card__icon img {
    width: 36px;
    height: 36px;
}

.service-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.service-card__desc {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 18px;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.service-card__link svg {
    transition: transform var(--transition);
}

.service-card__link:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   Why Choose Us
   ========================================================================== */
.why-us__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.why-us__content .section-title {
    text-align: left;
}

.why-us__list {
    margin: 28px 0 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.why-us__list li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.why-us__check {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-us__list strong {
    display: block;
    font-size: 1.05rem;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.why-us__list span {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.why-us__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 5;
    background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
}

.why-us__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================================================
   Stats Counter
   ========================================================================== */
.stats {
    position: relative;
    padding: 70px 0;
    overflow: hidden;
}

.stats__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-color: var(--color-dark);
}

.stats__overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 46, 0.92);
}

.stats .container {
    position: relative;
    z-index: 2;
}

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

.stat-item__num {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-item__num::after {
    content: "+";
    color: var(--color-accent);
}

.stat-item__label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   Product Development Process
   ========================================================================== */
.process {
    background: var(--color-bg-alt);
}

.process__timeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    position: relative;
}

.process__timeline::before {
    content: "";
    position: absolute;
    top: 22px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--color-border);
    z-index: 0;
}

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

.process-step__num {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--color-white);
    border: 3px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    transition: all var(--transition);
}

.process-step:hover .process-step__num {
    background: var(--color-primary);
    color: var(--color-white);
}

.process-step__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.process-step__desc {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ==========================================================================
   Case Studies
   ========================================================================== */
.cases__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid var(--color-border);
}

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

.case-card__image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
}

.case-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.case-card:hover .case-card__image img {
    transform: scale(1.05);
}

.case-card__body {
    padding: 20px;
}

.case-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.case-card__specs {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.case-card__specs div {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.case-card__specs span {
    font-weight: 600;
    color: var(--color-text);
}

/* ==========================================================================
   Industries
   ========================================================================== */
.industries {
    background: var(--color-bg-alt);
}

.industries__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.industry-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

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

.industry-card__image {
    position: absolute;
    inset: 0;
}

.industry-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.industry-card:hover .industry-card__image img {
    transform: scale(1.08);
}

.industry-card__body {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.85) 0%, rgba(26, 26, 46, 0.2) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    color: var(--color-white);
}

.industry-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.industry-card__desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

.industry-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-accent);
    transition: gap var(--transition);
}

.industry-card:hover .industry-card__link {
    gap: 12px;
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

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

.testimonial-card__stars {
    display: flex;
    gap: 4px;
    color: #ffc107;
    margin-bottom: 16px;
}

.testimonial-card__text {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

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

.testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    flex-shrink: 0;
}

.testimonial-card__name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-dark);
}

.testimonial-card__role {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   How It Works / Steps
   ========================================================================== */
.how-it-works {
    background: var(--color-dark);
    color: var(--color-white);
}

.how-it-works .section-title {
    color: var(--color-white);
}

.how-it-works .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.steps__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-card__num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 1.4rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
}

.step-card:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 28px;
    left: 60%;
    width: 80%;
    height: 2px;
    background: rgba(255, 255, 255, 0.15);
    z-index: 0;
}

.step-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}

.step-card__desc {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
}

/* ==========================================================================
   Quote / Contact Form
   ========================================================================== */
.quote__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.quote__info .section-title {
    text-align: left;
    margin-bottom: 16px;
}

.quote__desc {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.quote__contacts {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

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

.quote__contact-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.quote__contact-value {
    font-size: 0.95rem;
    color: var(--color-dark);
    font-weight: 500;
}

.quote__form-wrap {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.quote__form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg-alt);
    transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(0, 85, 165, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    padding: 0;
    border: none;
}

.file-upload__label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 24px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.88rem;
    transition: all var(--transition);
    cursor: pointer;
}

.file-upload__label svg {
    color: var(--color-primary);
}

.file-upload__label small {
    color: var(--color-text-muted);
    font-size: 0.78rem;
}

.file-upload:hover .file-upload__label {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.form-note {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner {
    background: var(--color-primary);
    padding: 50px 0;
}

.cta-banner__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.cta-banner__title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
}

.cta-banner__text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer__logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer__about {
    font-size: 0.88rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.6);
}

.footer__social {
    display: flex;
    gap: 12px;
}

.footer__social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.footer__social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.footer__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 18px;
}

.footer__links li {
    margin-bottom: 10px;
}

.footer__links a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition);
}

.footer__links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer__contact li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 14px;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer__contact svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-accent);
}

.footer__contact a {
    color: rgba(255, 255, 255, 0.6);
}

.footer__contact a:hover {
    color: var(--color-accent);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer__bottom-links {
    display: flex;
    gap: 20px;
}

.footer__bottom-links a {
    color: rgba(255, 255, 255, 0.5);
}

.footer__bottom-links a:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Back to Top
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ==========================================================================
   Responsive - Tablet (max-width: 992px)
   ========================================================================== */
@media (max-width: 992px) {
    .section {
        padding: 60px 0;
    }

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

    .hero__title {
        font-size: 2.3rem;
    }

    .about__grid,
    .why-us__grid,
    .quote__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

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

    .steps__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px;
    }

    .step-card:not(:last-child)::after {
        display: none;
    }

    .process__timeline {
        grid-template-columns: repeat(3, 1fr);
    }

    .process__timeline::before {
        display: none;
    }

    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .footer__col--about {
        grid-column: 1 / -1;
    }

    .why-us__image {
        aspect-ratio: 16 / 9;
    }
}

/* ==========================================================================
   Responsive - Mobile (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-header {
        margin-bottom: 36px;
    }

    /* Top bar */
    .topbar__left {
        flex-direction: column;
        gap: 4px;
    }

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

    /* Navigation */
    .nav__toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 360px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-lg);
        padding: 60px 24px 24px;
        overflow-y: auto;
        transition: right var(--transition);
        z-index: 1100;
    }

    .nav.open {
        right: 0;
    }

    .nav__close {
        display: block;
    }

    .nav__menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav__link {
        padding: 14px 16px;
        border-bottom: 1px solid var(--color-border);
        justify-content: space-between;
    }

    .nav__item--has-dropdown .nav__link svg {
        transition: transform var(--transition);
    }

    .nav__item--has-dropdown.open .nav__link svg {
        transform: rotate(180deg);
    }

    .nav__dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition);
    }

    .nav__item--has-dropdown.open .nav__dropdown {
        max-height: 500px;
    }

    .nav__dropdown li a {
        padding: 10px 32px;
        font-size: 0.85rem;
    }

    .header__actions .btn--sm {
        display: none;
    }

    /* Hero */
    .hero {
        min-height: 500px;
    }

    .hero__content {
        padding: 50px 20px;
    }

    .hero__title {
        font-size: 1.9rem;
    }

    .hero__feature {
        font-size: 0.9rem;
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

    /* Services */
    .services__grid {
        grid-template-columns: 1fr;
    }

    /* Cases */
    .cases__grid {
        grid-template-columns: 1fr;
    }

    /* Industries */
    .industries__grid {
        grid-template-columns: 1fr;
    }

    /* Process */
    .process__timeline {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* Steps */
    .steps__grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    /* Stats */
    .stats__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .stat-item__num {
        font-size: 2.4rem;
    }

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

    .quote__form-wrap {
        padding: 24px;
    }

    /* Footer */
    .footer__grid {
        grid-template-columns: 1fr;
    }

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

    /* CTA Banner */
    .cta-banner__inner {
        flex-direction: column;
        text-align: center;
    }

    .cta-banner .btn {
        width: 100%;
    }

    /* Back to top */
    .back-to-top {
        bottom: 20px;
        right: 20px;
    }
}

/* ==========================================================================
   Responsive - Small Mobile (max-width: 480px)
   ========================================================================== */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .hero__title {
        font-size: 1.6rem;
    }

    .stat-item__num {
        font-size: 2rem;
    }

    .service-card,
    .quote__form-wrap {
        padding: 24px 20px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.88rem;
    }
}