/* ===================================================================
   QUADRA - New Vision Serramenti
   Palette e tipografia da moodboard ufficiale
   =================================================================== */

:root {
    --blu-scuro: #0D2B55;
    --blu-deep: #071a36;
    --blu-night: #04102440;
    --azzurro: #40B4E5;
    --azzurro-chiaro: #BDE6FA;
    --grigio: #F2F4F7;
    --nero: #222222;

    --text: #eaf2fb;
    --text-soft: #a9c0db;
    --line: rgba(64, 180, 229, 0.18);

    --maxw: 1180px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);

    --font-title: "Raleway", "Segoe UI", sans-serif;
    --font-body: "Montserrat", "Segoe UI", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text);
    background-color: var(--blu-deep);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

em {
    font-style: normal;
    color: var(--azzurro);
}

/* ---------- Helpers ---------- */

.eyebrow {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--azzurro);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    text-transform: uppercase;
}

/* reveal on scroll - attivo solo con JS (progressive enhancement) */
html.js .reveal {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
    will-change: opacity, transform;
}

html.js .reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    html.js .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html { scroll-behavior: auto; }
}

/* ===================================================================
   HERO
   =================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    min-height: 100svh;
    display: flex;
    align-items: stretch;
    overflow: hidden;
    background-color: var(--blu-scuro);
    background-image: url("../assets/img/hero-header.jpg");
    background-size: cover;
    background-position: 62% center;
    background-repeat: no-repeat;
}

/* overlay blu scuro + glow mistico per leggibilita e mood
   (l'immagine e gia blu scuro, overlay leggero) */
.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(50% 70% at 24% 50%, rgba(64, 180, 229, 0.20) 0%, transparent 60%),
        linear-gradient(90deg, rgba(13, 43, 85, 0.85) 0%, rgba(13, 43, 85, 0.55) 38%, rgba(13, 43, 85, 0.10) 70%, transparent 100%),
        linear-gradient(180deg, rgba(13, 43, 85, 0.30) 0%, transparent 35%, rgba(7, 26, 54, 0.45) 100%);
}

.hero__overlay::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(40% 45% at 24% 48%, rgba(64, 180, 229, 0.28), transparent 70%);
    filter: blur(10px);
    animation: pulseGlow 7s var(--ease) infinite alternate;
}

@keyframes pulseGlow {
    from { opacity: 0.5; transform: scale(0.97); }
    to   { opacity: 1;   transform: scale(1.04); }
}

/* griglia tenue di fondo */
.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(189, 230, 250, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(189, 230, 250, 0.05) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(75% 75% at 25% 50%, #000 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(75% 75% at 25% 50%, #000 0%, transparent 80%);
}

.hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding:
        calc(clamp(2rem, 5vh, 3.2rem) + env(safe-area-inset-top))
        calc(1.5rem + env(safe-area-inset-right))
        calc(clamp(3.5rem, 8vh, 5rem) + env(safe-area-inset-bottom))
        calc(1.5rem + env(safe-area-inset-left));
    display: flex;
    flex-direction: column;
}

.hero__brand {
    width: clamp(160px, 26vw, 240px);
    height: auto;
    filter: drop-shadow(0 6px 24px rgba(0, 0, 0, 0.55));
}

.hero__content {
    margin-top: auto;
    margin-bottom: auto;
    max-width: 640px;
}

.hero__quadra-logo {
    width: clamp(130px, 26vw, 190px);
    height: auto;
    margin-bottom: 1.6rem;
    filter: drop-shadow(0 6px 22px rgba(0, 0, 0, 0.6));
}

.hero__payoff {
    font-family: var(--font-title);
    font-weight: 900;
    text-transform: uppercase;
    line-height: 1.02;
    letter-spacing: -0.01em;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.hero__payoff-top {
    display: block;
    font-size: clamp(1.6rem, 5vw, 3.1rem);
    color: var(--azzurro-chiaro);
}

.hero__payoff-main {
    display: block;
    font-size: clamp(2.1rem, 7vw, 4.4rem);
    color: #fff;
}

.scroll-cue {
    position: absolute;
    bottom: clamp(1.2rem, 3vh, 2rem);
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 42px;
    border: 2px solid rgba(189, 230, 250, 0.45);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 7px;
}

.scroll-cue span {
    width: 4px;
    height: 8px;
    border-radius: 2px;
    background: var(--azzurro);
    animation: scrollDot 1.8s var(--ease) infinite;
}

@keyframes scrollDot {
    0%   { opacity: 0; transform: translateY(-4px); }
    40%  { opacity: 1; }
    100% { opacity: 0; transform: translateY(12px); }
}

/* ===================================================================
   PAYOFF
   =================================================================== */

.payoff {
    position: relative;
    text-align: center;
    padding: clamp(5rem, 14vh, 9rem) 1.5rem;
    background: linear-gradient(180deg, #030c1c 0%, var(--blu-deep) 100%);
}

.payoff__mark {
    display: block;
    width: 54px;
    height: 54px;
    margin: 0 auto 2.4rem;
    border: 3px solid var(--azzurro);
    box-shadow: 0 0 24px rgba(64, 180, 229, 0.5);
}

.payoff__title {
    font-family: var(--font-title);
    font-weight: 900;
    text-transform: uppercase;
    line-height: 1.05;
    letter-spacing: -0.01em;
}

.payoff__brand {
    display: block;
    font-size: clamp(2.6rem, 9vw, 6rem);
    color: #fff;
}

.payoff__line {
    display: block;
    font-size: clamp(1.3rem, 4.4vw, 2.6rem);
    font-weight: 600;
    color: var(--text-soft);
    margin-top: 0.6rem;
}

/* ===================================================================
   DETTAGLIO
   =================================================================== */

.detail {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(3.5rem, 9vh, 7rem) 1.5rem;
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
}

.detail__media {
    position: relative;
    justify-self: center;
    max-width: 380px;
}

.detail__halo {
    position: absolute;
    inset: 0;
    background: radial-gradient(55% 55% at 50% 45%, rgba(64, 180, 229, 0.35), transparent 70%);
    filter: blur(34px);
    z-index: -1;
}

.detail__img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.detail__lead {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: clamp(1.5rem, 3.4vw, 2.4rem);
    line-height: 1.15;
    margin-bottom: 1.4rem;
}

.detail__text p {
    color: var(--text-soft);
    margin-bottom: 1.1rem;
    max-width: 56ch;
}

.detail__text p:last-child {
    margin-bottom: 0;
}

/* ===================================================================
   CARATTERISTICHE
   =================================================================== */

.features {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(2rem, 6vh, 4rem) 1.5rem clamp(4rem, 10vh, 7rem);
}

.features__head {
    text-align: center;
    margin-bottom: clamp(2.5rem, 6vh, 4rem);
}

.features__grid {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
}

.feature {
    position: relative;
    padding: 2rem 1.7rem;
    background: linear-gradient(160deg, rgba(22, 64, 122, 0.55), rgba(7, 26, 54, 0.55));
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.feature::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--azzurro), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease);
}

.feature:hover {
    transform: translateY(-6px);
    border-color: rgba(64, 180, 229, 0.5);
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.4);
}

.feature:hover::before {
    transform: scaleX(1);
}

.feature__icon {
    display: block;
    width: 30px;
    height: 30px;
    margin-bottom: 1.1rem;
    border: 2.5px solid var(--azzurro);
    border-radius: 3px;
    box-shadow: 0 0 14px rgba(64, 180, 229, 0.4);
}

.feature h3 {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 1.15rem;
    text-transform: uppercase;
    letter-spacing: 0.01em;
    margin-bottom: 0.6rem;
}

.feature p {
    color: var(--text-soft);
    font-size: 0.95rem;
}

.resmart {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    margin-top: 1.8rem;
    padding: 1.6rem 2rem;
    background: var(--blu-scuro);
    border: 1px solid var(--line);
    border-radius: 14px;
    flex-wrap: wrap;
}

.resmart__tag {
    flex-shrink: 0;
    font-family: var(--font-title);
    font-weight: 800;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    font-size: 0.85rem;
    color: var(--blu-deep);
    background: var(--azzurro);
    padding: 0.5rem 1.1rem;
    border-radius: 6px;
}

.resmart p {
    color: var(--text-soft);
    font-size: 0.98rem;
    min-width: 240px;
    flex: 1;
}

.resmart strong {
    color: var(--text);
}

/* ===================================================================
   CLAIM
   =================================================================== */

.claim {
    position: relative;
    text-align: center;
    padding: clamp(5rem, 16vh, 10rem) 1.5rem;
    overflow: hidden;
    background: var(--blu-deep);
}

.claim__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(60% 80% at 50% 50%, rgba(64, 180, 229, 0.20), transparent 70%);
}

.claim__text {
    position: relative;
    font-family: var(--font-title);
    font-weight: 800;
    text-transform: uppercase;
    font-size: clamp(1.5rem, 4.6vw, 3rem);
    line-height: 1.2;
    color: var(--text);
}

.claim__text span {
    color: var(--azzurro);
    text-shadow: 0 0 30px rgba(64, 180, 229, 0.55);
}

/* ===================================================================
   CONTATTI
   =================================================================== */

.contacts {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(4rem, 10vh, 7rem) 1.5rem;
}

.contacts__head {
    text-align: center;
    margin-bottom: clamp(2.5rem, 6vh, 3.5rem);
}

.contacts__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.6rem;
}

.location {
    padding: 2.4rem 2.2rem;
    background: linear-gradient(160deg, rgba(22, 64, 122, 0.5), rgba(7, 26, 54, 0.6));
    border: 1px solid var(--line);
    border-radius: 16px;
}

.location h3 {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 1.7rem;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}

.location__addr {
    color: var(--text-soft);
    margin-bottom: 1.6rem;
    padding-bottom: 1.6rem;
    border-bottom: 1px solid var(--line);
}

.location__row {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.7rem 0;
    transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}

.location__row + .location__row {
    border-top: 1px solid rgba(64, 180, 229, 0.08);
}

.location__label {
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--azzurro);
}

.location__value {
    font-size: 1.05rem;
    font-weight: 500;
    word-break: break-word;
}

.location__row:hover {
    color: var(--azzurro-chiaro);
    transform: translateX(4px);
}

/* ===================================================================
   FOOTER
   =================================================================== */

.footer {
    text-align: center;
    padding: 3rem 1.5rem;
    border-top: 1px solid var(--line);
    background: #030c1c;
}

.footer__logo {
    width: 170px;
    height: auto;
    margin: 0 auto 1.2rem;
    opacity: 0.9;
}

.footer__copy {
    font-size: 0.82rem;
    color: var(--text-soft);
    letter-spacing: 0.03em;
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */

@media (max-width: 880px) {
    .detail {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .detail__text p {
        margin-left: auto;
        margin-right: auto;
    }
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        background-position: 60% center;
    }
    .hero__overlay {
        background:
            radial-gradient(70% 45% at 35% 32%, rgba(64, 180, 229, 0.18) 0%, transparent 60%),
            linear-gradient(180deg, rgba(13, 43, 85, 0.55) 0%, rgba(13, 43, 85, 0.20) 35%, rgba(7, 26, 54, 0.82) 100%);
    }
    .hero__quadra-logo {
        width: clamp(120px, 34vw, 160px);
        margin-bottom: 1.2rem;
    }
    .hero__payoff-top {
        font-size: clamp(1.4rem, 6.5vw, 2rem);
    }
    .hero__payoff-main {
        font-size: clamp(1.9rem, 9vw, 2.8rem);
    }
}

@media (max-width: 560px) {
    .features__grid {
        grid-template-columns: 1fr;
    }
    .contacts__grid {
        grid-template-columns: 1fr;
    }
    .resmart {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
}